1255031 has 4 divisors (see below), whose sum is σ = 1264200. Its totient is φ = 1245864.

The previous prime is 1255021. The next prime is 1255039. The reversal of 1255031 is 1305521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1255031 - 2¹⁴ = 1238647 is a prime.

It is a super-2 number, since 2×1255031² = 3150205621922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4376 + ... + 4653.

It is an arithmetic number, because the mean of its divisors is an integer number (316050).

2^1255031 is an apocalyptic number.

1255031 is a deficient number, since it is larger than the sum of its proper divisors (9169).

1255031 is an equidigital number, since it uses as much as digits as its factorization.

1255031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1255031 is about 1120.2816610121. The cubic root of 1255031 is about 107.8660605256.

The spelling of 1255031 in words is "one million, two hundred fifty-five thousand, thirty-one".