2565125122 has 64 divisors (see below), whose sum is σ = 4601076480. Its totient is φ = 1049760000.

The previous prime is 2565125051. The next prime is 2565125131. The reversal of 2565125122 is 2215215652.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10219497 + ... + 10219747.

It is an arithmetic number, because the mean of its divisors is an integer number (71891820).

Almost surely, 2^2565125122 is an apocalyptic number.

2565125122 is a deficient number, since it is larger than the sum of its proper divisors (2035951358).

2565125122 is a wasteful number, since it uses less digits than its factorization.

2565125122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587.

The product of its digits is 12000, while the sum is 31.

The square root of 2565125122 is about 50647.0642979433. The cubic root of 2565125122 is about 1368.8930483245.

The spelling of 2565125122 in words is "two billion, five hundred sixty-five million, one hundred twenty-five thousand, one hundred twenty-two".