1252803776 has 42 divisors (see below), whose sum is σ = 2891922588. Its totient is φ = 536914560.

The previous prime is 1252803751. The next prime is 1252803793. The reversal of 1252803776 is 6773082521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196610 + ... + 202881.

Almost surely, 2^1252803776 is an apocalyptic number.

1252803776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1252803776 is an abundant number, since it is smaller than the sum of its proper divisors (1639118812).

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

1252803776 is an equidigital number, since it uses as much as digits as its factorization.

1252803776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399517 (or 399500 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1252803776 is about 35394.9682299617. The cubic root of 1252803776 is about 1078.0221505540.

The spelling of 1252803776 in words is "one billion, two hundred fifty-two million, eight hundred three thousand, seven hundred seventy-six".