1315457 has 8 divisors (see below), whose sum is σ = 1545600. Its totient is φ = 1103760.

The previous prime is 1315453. The next prime is 1315463. The reversal of 1315457 is 7545131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315457 - 2² = 1315453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315451) 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, 4457 + ... + 4742.

It is an arithmetic number, because the mean of its divisors is an integer number (193200).

2^1315457 is an apocalyptic number.

It is an amenable number.

1315457 is a deficient number, since it is larger than the sum of its proper divisors (230143).

1315457 is a wasteful number, since it uses less digits than its factorization.

1315457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223.

The product of its digits is 2100, while the sum is 26.

The square root of 1315457 is about 1146.9337382778. The cubic root of 1315457 is about 109.5701405596.

The spelling of 1315457 in words is "one million, three hundred fifteen thousand, four hundred fifty-seven".