1131274715 has 4 divisors (see below), whose sum is σ = 1357529664. Its totient is φ = 905019768.

The previous prime is 1131274691. The next prime is 1131274721. The reversal of 1131274715 is 5174721311.

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 1131274715 - 2²² = 1127080411 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, 113127467 + ... + 113127476.

It is an arithmetic number, because the mean of its divisors is an integer number (339382416).

Almost surely, 2^1131274715 is an apocalyptic number.

1131274715 is a deficient number, since it is larger than the sum of its proper divisors (226254949).

1131274715 is an equidigital number, since it uses as much as digits as its factorization.

1131274715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226254948.

The product of its digits is 5880, while the sum is 32.

The square root of 1131274715 is about 33634.4275259740. The cubic root of 1131274715 is about 1041.9719474152.

The spelling of 1131274715 in words is "one billion, one hundred thirty-one million, two hundred seventy-four thousand, seven hundred fifteen".