1131097 has 12 divisors (see below), whose sum is σ = 1286928. Its totient is φ = 985800.

The previous prime is 1131083. The next prime is 1131103. The reversal of 1131097 is 7901311.

It is a de Polignac number, because none of the positive numbers 2^k-1131097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131047) 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, 10518 + ... + 10624.

It is an arithmetic number, because the mean of its divisors is an integer number (107244).

2^1131097 is an apocalyptic number.

It is an amenable number.

1131097 is a deficient number, since it is larger than the sum of its proper divisors (155831).

1131097 is a wasteful number, since it uses less digits than its factorization.

1131097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1131097 is about 1063.5304415013. The cubic root of 1131097 is about 104.1917382496.

The spelling of 1131097 in words is "one million, one hundred thirty-one thousand, ninety-seven".