1124161259 has 4 divisors (see below), whose sum is σ = 1210635216. Its totient is φ = 1037687304.

The previous prime is 1124161219. The next prime is 1124161267. The reversal of 1124161259 is 9521614211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9521614211 = 479 ⋅19878109.

It is a cyclic number.

It is not a de Polignac number, because 1124161259 - 2²⁴ = 1107384043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124161219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43236959 + ... + 43236984.

It is an arithmetic number, because the mean of its divisors is an integer number (302658804).

Almost surely, 2^1124161259 is an apocalyptic number.

1124161259 is a deficient number, since it is larger than the sum of its proper divisors (86473957).

1124161259 is an equidigital number, since it uses as much as digits as its factorization.

1124161259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86473956.

The product of its digits is 4320, while the sum is 32.

The square root of 1124161259 is about 33528.5141185827. The cubic root of 1124161259 is about 1039.7833803646.

The spelling of 1124161259 in words is "one billion, one hundred twenty-four million, one hundred sixty-one thousand, two hundred fifty-nine".