122425866 has 48 divisors (see below), whose sum is σ = 272137320. Its totient is φ = 39761280.

The previous prime is 122425861. The next prime is 122425937. The reversal of 122425866 is 668524221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56475225 + 65950641 = 7515^2 + 8121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122425866.

It is not an unprimeable number, because it can be changed into a prime (122425861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172320 + ... + 173028.

Almost surely, 2^122425866 is an apocalyptic number.

122425866 is an abundant number, since it is smaller than the sum of its proper divisors (149711454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122425866 is a wasteful number, since it uses less digits than its factorization.

122425866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 948 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 122425866 is about 11064.6222710041. The cubic root of 122425866 is about 496.5439883383.

The spelling of 122425866 in words is "one hundred twenty-two million, four hundred twenty-five thousand, eight hundred sixty-six".