1315057 has 4 divisors (see below), whose sum is σ = 1317376. Its totient is φ = 1312740.

The previous prime is 1315049. The next prime is 1315073. The reversal of 1315057 is 7505131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7505131 = 31 ⋅242101.

It is a cyclic number.

It is not a de Polignac number, because 1315057 - 2³ = 1315049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315007) 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, 328 + ... + 1654.

It is an arithmetic number, because the mean of its divisors is an integer number (329344).

2^1315057 is an apocalyptic number.

It is an amenable number.

1315057 is a deficient number, since it is larger than the sum of its proper divisors (2319).

1315057 is an equidigital number, since it uses as much as digits as its factorization.

1315057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 1315057 is about 1146.7593470297. The cubic root of 1315057 is about 109.5590335199.

The spelling of 1315057 in words is "one million, three hundred fifteen thousand, fifty-seven".