1252631004 has 48 divisors (see below), whose sum is σ = 3023858208. Its totient is φ = 403273728.

The previous prime is 1252630997. The next prime is 1252631011. The reversal of 1252631004 is 4001362521.

It is an interprime number because it is at equal distance from previous prime (1252630997) and next prime (1252631011).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50532 + ... + 71124.

It is an arithmetic number, because the mean of its divisors is an integer number (62997046).

Almost surely, 2^1252631004 is an apocalyptic number.

It is an amenable number.

1252631004 is an abundant number, since it is smaller than the sum of its proper divisors (1771227204).

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

1252631004 is a wasteful number, since it uses less digits than its factorization.

1252631004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20774 (or 20772 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1252631004 is about 35392.5275164123. The cubic root of 1252631004 is about 1077.9725922196.

Adding to 1252631004 its reverse (4001362521), we get a palindrome (5253993525).

The spelling of 1252631004 in words is "one billion, two hundred fifty-two million, six hundred thirty-one thousand, four".