1252242652 has 24 divisors (see below), whose sum is σ = 2369113040. Its totient is φ = 577134720.

The previous prime is 1252242647. The next prime is 1252242679. The reversal of 1252242652 is 2562422521.

It is a super-2 number, since 2×1252242652² = 3136223318975986208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219849 + ... + 225472.

Almost surely, 2^1252242652 is an apocalyptic number.

It is an amenable number.

1252242652 is a deficient number, since it is larger than the sum of its proper divisors (1116870388).

1252242652 is a wasteful number, since it uses less digits than its factorization.

1252242652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445381 (or 445379 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 1252242652 is about 35387.0407352748. The cubic root of 1252242652 is about 1077.8611797656.

The spelling of 1252242652 in words is "one billion, two hundred fifty-two million, two hundred forty-two thousand, six hundred fifty-two".