122887925 has 12 divisors (see below), whose sum is σ = 153176580. Its totient is φ = 97797120.

The previous prime is 122887913. The next prime is 122887969. The reversal of 122887925 is 529788221.

It can be written as a sum of positive squares in 6 ways, for example, as 1909924 + 120978001 = 1382^2 + 10999^2 .

It is not a de Polignac number, because 122887925 - 2⁸ = 122887669 is a prime.

It is a super-2 number, since 2×122887925² = 30202884221611250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7910 + ... + 17559.

It is an arithmetic number, because the mean of its divisors is an integer number (12764715).

Almost surely, 2^122887925 is an apocalyptic number.

It is an amenable number.

122887925 is a deficient number, since it is larger than the sum of its proper divisors (30288655).

122887925 is a wasteful number, since it uses less digits than its factorization.

122887925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25672 (or 25667 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 122887925 is about 11085.4826236840. The cubic root of 122887925 is about 497.1678885777.

The spelling of 122887925 in words is "one hundred twenty-two million, eight hundred eighty-seven thousand, nine hundred twenty-five".