122539080868551 has 12 divisors (see below), whose sum is σ = 183556483276712. Its totient is φ = 81692720578872.

The previous prime is 122539080868517. The next prime is 122539080868577. The reversal of 122539080868551 is 155868080935221.

122539080868551 is a `hidden beast` number, since 1 + 22 + 53 + 9 + 0 + 8 + 0 + 8 + 6 + 8 + 551 = 666.

It is not a de Polignac number, because 122539080868551 - 2¹⁰ = 122539080867527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122539080848551) 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, 252138026236 + ... + 252138026721.

Almost surely, 2^{122539080868551} is an apocalyptic number.

122539080868551 is a deficient number, since it is larger than the sum of its proper divisors (61017402408161).

122539080868551 is an frugal number, since it uses more digits than its factorization.

122539080868551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504276052972 (or 504276052960 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 63.

The spelling of 122539080868551 in words is "one hundred twenty-two trillion, five hundred thirty-nine billion, eighty million, eight hundred sixty-eight thousand, five hundred fifty-one".