121525610706 has 24 divisors (see below), whose sum is σ = 277163674320. Its totient is φ = 38376508536.

The previous prime is 121525610693. The next prime is 121525610707. The reversal of 121525610706 is 607016525121.

121525610706 is a `hidden beast` number, since 1 + 2 + 1 + 525 + 61 + 0 + 70 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (121525610707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177668680 + ... + 177669363.

It is an arithmetic number, because the mean of its divisors is an integer number (11548486430).

Almost surely, 2^121525610706 is an apocalyptic number.

121525610706 is an abundant number, since it is smaller than the sum of its proper divisors (155638063614).

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

121525610706 is a wasteful number, since it uses less digits than its factorization.

121525610706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355338070 (or 355338067 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 121525610706 in words is "one hundred twenty-one billion, five hundred twenty-five million, six hundred ten thousand, seven hundred six".