1252926788 has 12 divisors (see below), whose sum is σ = 2268229740. Its totient is φ = 604861152.

The previous prime is 1252926767. The next prime is 1252926791. The reversal of 1252926788 is 8876292521.

It can be written as a sum of positive squares in 2 ways, for example, as 277488964 + 975437824 = 16658^2 + 31232^2 .

It is a super-3 number, since 3×1252926788³ (a number of 28 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5400431 + ... + 5400662.

It is an arithmetic number, because the mean of its divisors is an integer number (189019145).

Almost surely, 2^1252926788 is an apocalyptic number.

It is an amenable number.

1252926788 is a deficient number, since it is larger than the sum of its proper divisors (1015302952).

1252926788 is a wasteful number, since it uses less digits than its factorization.

1252926788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10801126 (or 10801124 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 1252926788 is about 35396.7058919329. The cubic root of 1252926788 is about 1078.0574328340.

The spelling of 1252926788 in words is "one billion, two hundred fifty-two million, nine hundred twenty-six thousand, seven hundred eighty-eight".