1131712 has 14 divisors (see below), whose sum is σ = 2245868. Its totient is φ = 565824.

The previous prime is 1131701. The next prime is 1131721. The reversal of 1131712 is 2171311.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8778 + ... + 8905.

2^1131712 is an apocalyptic number.

It is an amenable number.

1131712 is a deficient number, since it is larger than the sum of its proper divisors (1114156).

1131712 is an equidigital number, since it uses as much as digits as its factorization.

1131712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17695 (or 17685 counting only the distinct ones).

The product of its digits is 42, while the sum is 16.

The square root of 1131712 is about 1063.8195335676. The cubic root of 1131712 is about 104.2106185369.

The spelling of 1131712 in words is "one million, one hundred thirty-one thousand, seven hundred twelve".