1258788976 has 20 divisors (see below), whose sum is σ = 2517578944. Its totient is φ = 609091200.

The previous prime is 1258788967. The next prime is 1258788977. The reversal of 1258788976 is 6798878521.

1258788976 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258788977) by changing a digit.

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, 1268445 + ... + 1269436.

Almost surely, 2^1258788976 is an apocalyptic number.

1258788976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1258788976 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1258788976 is a wasteful number, since it uses less digits than its factorization.

1258788976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537920 (or 2537914 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 61.

The square root of 1258788976 is about 35479.4162296958. The cubic root of 1258788976 is about 1079.7361541115.

The spelling of 1258788976 in words is "one billion, two hundred fifty-eight million, seven hundred eighty-eight thousand, nine hundred seventy-six".