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121090704 = 24371991811
BaseRepresentation
bin1110011011110…
…11001010010000
322102212001012220
413031323022100
5221444400304
620003221040
73000153060
oct715731220
9272761186
10121090704
1162397269
1234677780
131c119507
14121213a0
15a96dad9
hex737b290

121090704 has 80 divisors (see below), whose sum is σ = 359500800. Its totient is φ = 34404480.

The previous prime is 121090679. The next prime is 121090727. The reversal of 121090704 is 407090121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65959 + ... + 67769.

It is an arithmetic number, because the mean of its divisors is an integer number (4493760).

Almost surely, 2121090704 is an apocalyptic number.

121090704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121090704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179750400).

121090704 is an abundant number, since it is smaller than the sum of its proper divisors (238410096).

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

121090704 is a wasteful number, since it uses less digits than its factorization.

121090704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 121090704 is about 11004.1221367268. The cubic root of 121090704 is about 494.7323029644.

The spelling of 121090704 in words is "one hundred twenty-one million, ninety thousand, seven hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 199 336 398 597 796 1194 1393 1592 1811 2388 2786 3184 3622 4179 4776 5433 5572 7244 8358 9552 10866 11144 12677 14488 16716 21732 22288 25354 28976 33432 38031 43464 50708 66864 76062 86928 101416 152124 202832 304248 360389 608496 720778 1081167 1441556 2162334 2522723 2883112 4324668 5045446 5766224 7568169 8649336 10090892 15136338 17298672 20181784 30272676 40363568 60545352 121090704