121752826025 has 48 divisors (see below), whose sum is σ = 160721677440. Its totient is φ = 91232064000.

The previous prime is 121752825991. The next prime is 121752826033. The reversal of 121752826025 is 520628257121.

It is not a de Polignac number, because 121752826025 - 2²² = 121748631721 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45718844 + ... + 45721506.

It is an arithmetic number, because the mean of its divisors is an integer number (3348368280).

Almost surely, 2^121752826025 is an apocalyptic number.

It is an amenable number.

121752826025 is a deficient number, since it is larger than the sum of its proper divisors (38968851415).

121752826025 is a wasteful number, since it uses less digits than its factorization.

121752826025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3741 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 121752826025 in words is "one hundred twenty-one billion, seven hundred fifty-two million, eight hundred twenty-six thousand, twenty-five".