1252776996 has 24 divisors (see below), whose sum is σ = 3247940640. Its totient is φ = 417592296.

The previous prime is 1252776919. The next prime is 1252776997. The reversal of 1252776996 is 6996772521.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1252776997) 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, 5799786 + ... + 5800001.

It is an arithmetic number, because the mean of its divisors is an integer number (135330860).

Almost surely, 2^1252776996 is an apocalyptic number.

It is an amenable number.

1252776996 is an abundant number, since it is smaller than the sum of its proper divisors (1995163644).

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

1252776996 is a wasteful number, since it uses less digits than its factorization.

1252776996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599800 (or 11599792 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 1252776996 is about 35394.5899255804. The cubic root of 1252776996 is about 1078.0144692130.

The spelling of 1252776996 in words is "one billion, two hundred fifty-two million, seven hundred seventy-six thousand, nine hundred ninety-six".