1255250 has 16 divisors (see below), whose sum is σ = 2350296. Its totient is φ = 502000.

The previous prime is 1255249. The next prime is 1255253. The reversal of 1255250 is 525521.

It can be written as a sum of positive squares in 4 ways, for example, as 657721 + 597529 = 811^2 + 773^2 .

It is not an unprimeable number, because it can be changed into a prime (1255253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261 + ... + 2760.

2^1255250 is an apocalyptic number.

1255250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255250 is a deficient number, since it is larger than the sum of its proper divisors (1095046).

1255250 is an equidigital number, since it uses as much as digits as its factorization.

1255250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1255250 is about 1120.3794000248. The cubic root of 1255250 is about 107.8723342866.

The spelling of 1255250 in words is "one million, two hundred fifty-five thousand, two hundred fifty".