121560417576 has 112 divisors (see below), whose sum is σ = 368019679860. Its totient is φ = 37403182080.

The previous prime is 121560417571. The next prime is 121560417611. The reversal of 121560417576 is 675714065121.

121560417576 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 60 + 4 + 17 + 576 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 118731241476 + 2829176100 = 344574^2 + 53190^2 .

It is not an unprimeable number, because it can be changed into a prime (121560417571) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 725865 + ... + 877496.

Almost surely, 2^121560417576 is an apocalyptic number.

It is an amenable number.

121560417576 is an abundant number, since it is smaller than the sum of its proper divisors (246459262284).

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

121560417576 is a wasteful number, since it uses less digits than its factorization.

121560417576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603398 (or 1603379 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 121560417576 in words is "one hundred twenty-one billion, five hundred sixty million, four hundred seventeen thousand, five hundred seventy-six".