1252512522 has 24 divisors (see below), whose sum is σ = 2719323360. Its totient is φ = 416650920.

The previous prime is 1252512517. The next prime is 1252512551. The reversal of 1252512522 is 2252152521.

It is a happy number.

1252512522 is a `hidden beast` number, since 12 + 525 + 125 + 2 + 2 = 666.

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, 62022 + ... + 79697.

It is an arithmetic number, because the mean of its divisors is an integer number (113305140).

Almost surely, 2^1252512522 is an apocalyptic number.

1252512522 is an abundant number, since it is smaller than the sum of its proper divisors (1466810838).

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

1252512522 is a wasteful number, since it uses less digits than its factorization.

1252512522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142218 (or 142215 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 1252512522 is about 35390.8536489303. The cubic root of 1252512522 is about 1077.9386039247.

The spelling of 1252512522 in words is "one billion, two hundred fifty-two million, five hundred twelve thousand, five hundred twenty-two".