1252472064 has 72 divisors (see below), whose sum is σ = 3339340032. Its totient is φ = 416747520.

The previous prime is 1252472063. The next prime is 1252472131. The reversal of 1252472064 is 4602742521.

It is a super-2 number, since 2×1252472064² = 3137372542200840192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252472063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583377 + ... + 585519.

Almost surely, 2^1252472064 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 1252472064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669670016).

1252472064 is an abundant number, since it is smaller than the sum of its proper divisors (2086867968).

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

1252472064 is an equidigital number, since it uses as much as digits as its factorization.

1252472064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 1252472064 is about 35390.2820559543. The cubic root of 1252472064 is about 1077.9269974647.

The spelling of 1252472064 in words is "one billion, two hundred fifty-two million, four hundred seventy-two thousand, sixty-four".