1132831 has 12 divisors (see below), whose sum is σ = 1342920. Its totient is φ = 952560.

The previous prime is 1132823. The next prime is 1132861. The reversal of 1132831 is 1382311.

It is not a de Polignac number, because 1132831 - 2³ = 1132823 is a prime.

It is a super-2 number, since 2×1132831² = 2566612149122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132799 and 1132808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2800 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (111910).

2^1132831 is an apocalyptic number.

1132831 is the 615-th hex number.

1132831 is a deficient number, since it is larger than the sum of its proper divisors (210089).

1132831 is an equidigital number, since it uses as much as digits as its factorization.

1132831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 447 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1132831 is about 1064.3453386942. The cubic root of 1132831 is about 104.2449539123.

The spelling of 1132831 in words is "one million, one hundred thirty-two thousand, eight hundred thirty-one".