1159144 has 24 divisors (see below), whose sum is σ = 2529090. Its totient is φ = 496608.

The previous prime is 1159139. The next prime is 1159153. The reversal of 1159144 is 4419511.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 56644 = 1050^2 + 238^2 .

It is a super-2 number, since 2×1159144² = 2687229625472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1087 + ... + 1870.

2^1159144 is an apocalyptic number.

1159144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1159144 is an abundant number, since it is smaller than the sum of its proper divisors (1369946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1159144 is a wasteful number, since it uses less digits than its factorization.

1159144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977 (or 2966 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 1159144 is about 1076.6355000649. The cubic root of 1159144 is about 105.0459058530.

The spelling of 1159144 in words is "one million, one hundred fifty-nine thousand, one hundred forty-four".