1252708752 has 40 divisors (see below), whose sum is σ = 3315100320. Its totient is φ = 407384320.

The previous prime is 1252708739. The next prime is 1252708799. The reversal of 1252708752 is 2578072521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252708752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316302 + ... + 320237.

It is an arithmetic number, because the mean of its divisors is an integer number (82877508).

Almost surely, 2^1252708752 is an apocalyptic number.

1252708752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1252708752 is an abundant number, since it is smaller than the sum of its proper divisors (2062391568).

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

1252708752 is a wasteful number, since it uses less digits than its factorization.

1252708752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636591 (or 636585 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 1252708752 is about 35393.6258668139. The cubic root of 1252708752 is about 1077.9948942061.

The spelling of 1252708752 in words is "one billion, two hundred fifty-two million, seven hundred eight thousand, seven hundred fifty-two".