1297250 has 16 divisors (see below), whose sum is σ = 2428920. Its totient is φ = 518800.

The previous prime is 1297249. The next prime is 1297271. The reversal of 1297250 is 527921.

It can be written as a sum of positive squares in 4 ways, for example, as 573049 + 724201 = 757^2 + 851^2 .

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 7 ways as a sum of consecutive naturals, for example, 2345 + ... + 2844.

2^1297250 is an apocalyptic number.

1297250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297250 is a deficient number, since it is larger than the sum of its proper divisors (1131670).

1297250 is an equidigital number, since it uses as much as digits as its factorization.

1297250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1297250 is about 1138.9688318826. The cubic root of 1297250 is about 109.0622767871.

The spelling of 1297250 in words is "one million, two hundred ninety-seven thousand, two hundred fifty".