1102131 has 12 divisors (see below), whose sum is σ = 1605240. Its totient is φ = 728640.

The previous prime is 1102117. The next prime is 1102147. The reversal of 1102131 is 1312011.

It is not a de Polignac number, because 1102131 - 2⁹ = 1101619 is a prime.

It is a super-2 number, since 2×1102131² = 2429385482322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1102111) 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, 811 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (133770).

2^1102131 is an apocalyptic number.

1102131 is a deficient number, since it is larger than the sum of its proper divisors (503109).

1102131 is a wasteful number, since it uses less digits than its factorization.

1102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1102131 is about 1049.8242710092. The cubic root of 1102131 is about 103.2946288160.

Adding to 1102131 its reverse (1312011), we get a palindrome (2414142).

The spelling of 1102131 in words is "one million, one hundred two thousand, one hundred thirty-one".