1297900 has 18 divisors (see below), whose sum is σ = 2816660. Its totient is φ = 519120.

The previous prime is 1297873. The next prime is 1297927. The reversal of 1297900 is 97921.

It is an interprime number because it is at equal distance from previous prime (1297873) and next prime (1297927).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6390 + ... + 6589.

2^1297900 is an apocalyptic number.

1297900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1297900 is an abundant number, since it is smaller than the sum of its proper divisors (1518760).

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

1297900 is a wasteful number, since it uses less digits than its factorization.

1297900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993 (or 12986 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1297900 is about 1139.2541419718. The cubic root of 1297900 is about 109.0804893247.

It can be divided in two parts, 1297 and 900, that added together give a cube (2197 = 13³).

The spelling of 1297900 in words is "one million, two hundred ninety-seven thousand, nine hundred".