1252620512 has 96 divisors (see below), whose sum is σ = 2909499264. Its totient is φ = 523353600.

The previous prime is 1252620463. The next prime is 1252620521. The reversal of 1252620512 is 2150262521.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 1514243 + ... + 1515069.

It is an arithmetic number, because the mean of its divisors is an integer number (30307284).

Almost surely, 2^1252620512 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 1252620512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454749632).

1252620512 is an abundant number, since it is smaller than the sum of its proper divisors (1656878752).

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

1252620512 is a wasteful number, since it uses less digits than its factorization.

1252620512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1252620512 is about 35392.3792927235. The cubic root of 1252620512 is about 1077.9695825224.

The spelling of 1252620512 in words is "one billion, two hundred fifty-two million, six hundred twenty thousand, five hundred twelve".