1297317200 has 30 divisors (see below), whose sum is σ = 3116805534. Its totient is φ = 518926720.

The previous prime is 1297317187. The next prime is 1297317211. The reversal of 1297317200 is 27137921.

It can be written as a sum of positive squares in 3 ways, for example, as 14531344 + 1282785856 = 3812^2 + 35816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1621247 + ... + 1622046.

Almost surely, 2^1297317200 is an apocalyptic number.

1297317200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1297317200 is an abundant number, since it is smaller than the sum of its proper divisors (1819488334).

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

1297317200 is a wasteful number, since it uses less digits than its factorization.

1297317200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243311 (or 3243300 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 1297317200 is about 36018.2897983788. The cubic root of 1297317200 is about 1090.6415996521.

The spelling of 1297317200 in words is "one billion, two hundred ninety-seven million, three hundred seventeen thousand, two hundred".