1296957080 has 64 divisors (see below), whose sum is σ = 2952780480. Its totient is φ = 512665600.

The previous prime is 1296957049. The next prime is 1296957083. The reversal of 1296957080 is 807596921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296957083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703900 + ... + 1704660.

It is an arithmetic number, because the mean of its divisors is an integer number (46137195).

Almost surely, 2^1296957080 is an apocalyptic number.

1296957080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1296957080 is an abundant number, since it is smaller than the sum of its proper divisors (1655823400).

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

1296957080 is a wasteful number, since it uses less digits than its factorization.

1296957080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1296957080 is about 36013.2903245455. The cubic root of 1296957080 is about 1090.5406738851.

The spelling of 1296957080 in words is "one billion, two hundred ninety-six million, nine hundred fifty-seven thousand, eighty".