1118131 has 12 divisors (see below), whose sum is σ = 1370280. Its totient is φ = 907200.

The previous prime is 1118123. The next prime is 1118137. The reversal of 1118131 is 1318111.

It is not a de Polignac number, because 1118131 - 2³ = 1118123 is a prime.

It is a super-2 number, since 2×1118131² = 2500433866322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1118137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (114190).

2^1118131 is an apocalyptic number.

1118131 is the 611-st hex number.

1118131 is a deficient number, since it is larger than the sum of its proper divisors (252149).

1118131 is a wasteful number, since it uses less digits than its factorization.

1118131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1227 counting only the distinct ones).

The product of its digits is 24, while the sum is 16.

The square root of 1118131 is about 1057.4171362334. The cubic root of 1118131 is about 103.7920833777.

The spelling of 1118131 in words is "one million, one hundred eighteen thousand, one hundred thirty-one".