1147131 has 12 divisors (see below), whose sum is σ = 1667952. Its totient is φ = 759696.

The previous prime is 1147127. The next prime is 1147141. The reversal of 1147131 is 1317411.

It is not a de Polignac number, because 1147131 - 2² = 1147127 is a prime.

It is a super-2 number, since 2×1147131² = 2631819062322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1147141) 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, 1450 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (138996).

2^1147131 is an apocalyptic number.

1147131 is a deficient number, since it is larger than the sum of its proper divisors (520821).

1147131 is a wasteful number, since it uses less digits than its factorization.

1147131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 847 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 1147131 is about 1071.0420159826. The cubic root of 1147131 is about 104.6817575078.

The spelling of 1147131 in words is "one million, one hundred forty-seven thousand, one hundred thirty-one".