121560620760 has 96 divisors (see below), whose sum is σ = 397914426000. Its totient is φ = 32182942464.

The previous prime is 121560620743. The next prime is 121560620813. The reversal of 121560620760 is 67026065121.

It is a happy number.

121560620760 is a `hidden beast` number, since 1 + 2 + 1 + 560 + 6 + 20 + 76 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1164595 + ... + 1264674.

Almost surely, 2^121560620760 is an apocalyptic number.

121560620760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121560620760 is an abundant number, since it is smaller than the sum of its proper divisors (276353805240).

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

121560620760 is a wasteful number, since it uses less digits than its factorization.

121560620760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429425 (or 2429418 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 121560620760 its reverse (67026065121), we get a palindrome (188586685881).

The spelling of 121560620760 in words is "one hundred twenty-one billion, five hundred sixty million, six hundred twenty thousand, seven hundred sixty".