122646525 has 12 divisors (see below), whose sum is σ = 202775712. Its totient is φ = 65411440.

The previous prime is 122646521. The next prime is 122646533. The reversal of 122646525 is 525646221.

It is not a de Polignac number, because 122646525 - 2² = 122646521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122646521) 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, 817569 + ... + 817718.

It is an arithmetic number, because the mean of its divisors is an integer number (16897976).

Almost surely, 2^122646525 is an apocalyptic number.

122646525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122646525 is a deficient number, since it is larger than the sum of its proper divisors (80129187).

122646525 is a wasteful number, since it uses less digits than its factorization.

122646525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635300 (or 1635295 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 122646525 is about 11074.5891571652. The cubic root of 122646525 is about 496.8421310483.

The spelling of 122646525 in words is "one hundred twenty-two million, six hundred forty-six thousand, five hundred twenty-five".