1159137 has 16 divisors (see below), whose sum is σ = 1962880. Its totient is φ = 662256.

The previous prime is 1159127. The next prime is 1159139. The reversal of 1159137 is 7319511.

It is a happy number.

It is not a de Polignac number, because 1159137 - 2⁶ = 1159073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1159137.

It is not an unprimeable number, because it can be changed into a prime (1159139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2878 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (122680).

2^1159137 is an apocalyptic number.

It is an amenable number.

1159137 is a deficient number, since it is larger than the sum of its proper divisors (803743).

1159137 is an equidigital number, since it uses as much as digits as its factorization.

1159137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149 (or 6143 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 1159137 is about 1076.6322491919. The cubic root of 1159137 is about 105.0456943973.

It can be divided in two parts, 11591 and 37, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 1159137 in words is "one million, one hundred fifty-nine thousand, one hundred thirty-seven".