1011131 has 4 divisors (see below), whose sum is σ = 1103064. Its totient is φ = 919200.

The previous prime is 1011107. The next prime is 1011137. The reversal of 1011131 is 1311101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311101 = 11 ⋅119191.

It is a cyclic number.

It is not a de Polignac number, because 1011131 - 2⁶ = 1011067 is a prime.

It is a super-2 number, since 2×1011131² = 2044771798322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45950 + ... + 45971.

It is an arithmetic number, because the mean of its divisors is an integer number (275766).

2^1011131 is an apocalyptic number.

1011131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011131 is a deficient number, since it is larger than the sum of its proper divisors (91933).

1011131 is an equidigital number, since it uses as much as digits as its factorization.

1011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91932.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 1011131 is about 1005.5500982050. The cubic root of 1011131 is about 100.3696651264.

Adding to 1011131 its reverse (1311101), we get a palindrome (2322232).

The spelling of 1011131 in words is "one million, eleven thousand, one hundred thirty-one".