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121097070 = 232519233079
BaseRepresentation
bin1110011011111…
…00101101101110
322102212100221200
413031330231232
5222000101240
620003310330
73000210453
oct715745556
9272770850
10121097070
11623a1026
123467b3a6
131c11c393
141212382a
15a970930
hex737cb6e

121097070 has 96 divisors (see below), whose sum is σ = 345945600. Its totient is φ = 29253312.

The previous prime is 121097063. The next prime is 121097077. The reversal of 121097070 is 70790121.

It is an interprime number because it is at equal distance from previous prime (121097063) and next prime (121097077).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121097077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37791 + ... + 40869.

It is an arithmetic number, because the mean of its divisors is an integer number (3603600).

Almost surely, 2121097070 is an apocalyptic number.

121097070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121097070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172972800).

121097070 is an abundant number, since it is smaller than the sum of its proper divisors (224848530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121097070 is a wasteful number, since it uses less digits than its factorization.

121097070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134 (or 3131 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 121097070 is about 11004.4113881661. The cubic root of 121097070 is about 494.7409725279.

The spelling of 121097070 in words is "one hundred twenty-one million, ninety-seven thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 19 23 30 38 45 46 57 69 90 95 114 115 138 171 190 207 230 285 342 345 414 437 570 690 855 874 1035 1311 1710 2070 2185 2622 3079 3933 4370 6158 6555 7866 9237 13110 15395 18474 19665 27711 30790 39330 46185 55422 58501 70817 92370 117002 138555 141634 175503 212451 277110 292505 351006 354085 424902 526509 585010 637353 708170 877515 1053018 1062255 1274706 1345523 1755030 2124510 2632545 2691046 3186765 4036569 5265090 6373530 6727615 8073138 12109707 13455230 20182845 24219414 40365690 60548535 121097070