122670155725 has 12 divisors (see below), whose sum is σ = 163811839156. Its totient is φ = 90587191680.

The previous prime is 122670155659. The next prime is 122670155743. The reversal of 122670155725 is 527551076221.

It can be written as a sum of positive squares in 6 ways, for example, as 20598851529 + 102071304196 = 143523^2 + 319486^2 .

It is not a de Polignac number, because 122670155725 - 2¹⁵ = 122670122957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188722992 + ... + 188723641.

Almost surely, 2^122670155725 is an apocalyptic number.

It is an amenable number.

122670155725 is a deficient number, since it is larger than the sum of its proper divisors (41141683431).

122670155725 is a wasteful number, since it uses less digits than its factorization.

122670155725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377446656 (or 377446651 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 122670155725 in words is "one hundred twenty-two billion, six hundred seventy million, one hundred fifty-five thousand, seven hundred twenty-five".