1252001376 has 36 divisors (see below), whose sum is σ = 3560379732. Its totient is φ = 417333696.

The previous prime is 1252001357. The next prime is 1252001381. The reversal of 1252001376 is 6731002521.

It is a happy number.

1252001376 is a `hidden beast` number, since 1 + 2 + 520 + 0 + 137 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2173326 + ... + 2173901.

It is an arithmetic number, because the mean of its divisors is an integer number (98899437).

Almost surely, 2^1252001376 is an apocalyptic number.

1252001376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1252001376 is an abundant number, since it is smaller than the sum of its proper divisors (2308378356).

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

1252001376 is a wasteful number, since it uses less digits than its factorization.

1252001376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347243 (or 4347232 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1252001376 is about 35383.6314699325. The cubic root of 1252001376 is about 1077.7919496426.

Adding to 1252001376 its reverse (6731002521), we get a palindrome (7983003897).

The spelling of 1252001376 in words is "one billion, two hundred fifty-two million, one thousand, three hundred seventy-six".