1157315 has 4 divisors (see below), whose sum is σ = 1388784. Its totient is φ = 925848.

The previous prime is 1157293. The next prime is 1157327. The reversal of 1157315 is 5137511.

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 1157315 - 2⁶ = 1157251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115727 + ... + 115736.

It is an arithmetic number, because the mean of its divisors is an integer number (347196).

2^1157315 is an apocalyptic number.

1157315 is a deficient number, since it is larger than the sum of its proper divisors (231469).

1157315 is an equidigital number, since it uses as much as digits as its factorization.

1157315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231468.

The product of its digits is 525, while the sum is 23.

The square root of 1157315 is about 1075.7857593406. The cubic root of 1157315 is about 104.9906265253.

The spelling of 1157315 in words is "one million, one hundred fifty-seven thousand, three hundred fifteen".