1252400088 has 16 divisors (see below), whose sum is σ = 3131000280. Its totient is φ = 417466688.

The previous prime is 1252399999. The next prime is 1252400129. The reversal of 1252400088 is 8800042521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26091645 + ... + 26091692.

Almost surely, 2^1252400088 is an apocalyptic number.

It is an amenable number.

1252400088 is an abundant number, since it is smaller than the sum of its proper divisors (1878600192).

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

1252400088 is a wasteful number, since it uses less digits than its factorization.

1252400088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52183346 (or 52183342 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1252400088 is about 35389.2651520203. The cubic root of 1252400088 is about 1077.9063486050.

The spelling of 1252400088 in words is "one billion, two hundred fifty-two million, four hundred thousand, eighty-eight".