1252631196 has 144 divisors (see below), whose sum is σ = 3507168000. Its totient is φ = 386470656.

The previous prime is 1252631153. The next prime is 1252631243. The reversal of 1252631196 is 6911362521.

1252631196 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 631 + 19 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1252631196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2090905 + ... + 2091503.

Almost surely, 2^1252631196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252631196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753584000).

1252631196 is an abundant number, since it is smaller than the sum of its proper divisors (2254536804).

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

1252631196 is a wasteful number, since it uses less digits than its factorization.

1252631196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 688 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1252631196 is about 35392.5302288491. The cubic root of 1252631196 is about 1077.9726472958.

The spelling of 1252631196 in words is "one billion, two hundred fifty-two million, six hundred thirty-one thousand, one hundred ninety-six".