1499961159 has 10 divisors (see below), whose sum is σ = 2240682840. Its totient is φ = 999974052.

The previous prime is 1499961157. The next prime is 1499961163. The reversal of 1499961159 is 9511699941.

It is a happy number.

1499961159 is a `hidden beast` number, since 1 + 499 + 96 + 11 + 59 = 666.

It is not a de Polignac number, because 1499961159 - 2¹ = 1499961157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499961157) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9258939 + ... + 9259100.

It is an arithmetic number, because the mean of its divisors is an integer number (224068284).

Almost surely, 2^1499961159 is an apocalyptic number.

1499961159 is a deficient number, since it is larger than the sum of its proper divisors (740721681).

1499961159 is an equidigital number, since it uses as much as digits as its factorization.

1499961159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518051 (or 18518042 counting only the distinct ones).

The product of its digits is 787320, while the sum is 54.

The square root of 1499961159 is about 38729.3320236743. The cubic root of 1499961159 is about 1144.7043620579.

The spelling of 1499961159 in words is "one billion, four hundred ninety-nine million, nine hundred sixty-one thousand, one hundred fifty-nine".