1252284628 has 24 divisors (see below), whose sum is σ = 2506572992. Its totient is φ = 536264064.

The previous prime is 1252284601. The next prime is 1252284659. The reversal of 1252284628 is 8264822521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19075 + ... + 53557.

Almost surely, 2^1252284628 is an apocalyptic number.

It is an amenable number.

1252284628 is an abundant number, since it is smaller than the sum of its proper divisors (1254288364).

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

1252284628 is a wasteful number, since it uses less digits than its factorization.

1252284628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35791 (or 35789 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 1252284628 is about 35387.6338287826. The cubic root of 1252284628 is about 1077.8732231703.

The spelling of 1252284628 in words is "one billion, two hundred fifty-two million, two hundred eighty-four thousand, six hundred twenty-eight".