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121277484 = 223247229313
BaseRepresentation
bin1110011101010…
…00110000101100
322110012112102200
413032220300230
5222021334414
620011221500
73001561446
oct716506054
9273175380
10121277484
1162504629
1234747890
131c183533
141216d496
15a9a9109
hex73a8c2c

121277484 has 72 divisors (see below), whose sum is σ = 315456960. Its totient is φ = 39267072.

The previous prime is 121277483. The next prime is 121277489. The reversal of 121277484 is 484772121.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (121277483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387312 + ... + 387624.

Almost surely, 2121277484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121277484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157728480).

121277484 is an abundant number, since it is smaller than the sum of its proper divisors (194179476).

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

121277484 is a wasteful number, since it uses less digits than its factorization.

121277484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 594 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 121277484 is about 11012.6056862125. The cubic root of 121277484 is about 494.9865438644.

The spelling of 121277484 in words is "one hundred twenty-one million, two hundred seventy-seven thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 229 282 313 423 458 564 626 687 846 916 939 1252 1374 1692 1878 2061 2748 2817 3756 4122 5634 8244 10763 11268 14711 21526 29422 32289 43052 44133 58844 64578 71677 88266 96867 129156 132399 143354 176532 193734 215031 264798 286708 387468 430062 529596 645093 860124 1290186 2580372 3368819 6737638 10106457 13475276 20212914 30319371 40425828 60638742 121277484