1152474889 has 4 divisors (see below), whose sum is σ = 1152559620. Its totient is φ = 1152390160.

The previous prime is 1152474857. The next prime is 1152474913. The reversal of 1152474889 is 9884742511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 563587600 + 588887289 = 23740^2 + 24267^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152474889 - 2⁵ = 1152474857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152474809) 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, 16834 + ... + 50875.

It is an arithmetic number, because the mean of its divisors is an integer number (288139905).

Almost surely, 2^1152474889 is an apocalyptic number.

It is an amenable number.

1152474889 is a deficient number, since it is larger than the sum of its proper divisors (84731).

1152474889 is an equidigital number, since it uses as much as digits as its factorization.

1152474889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84730.

The product of its digits is 645120, while the sum is 49.

The square root of 1152474889 is about 33948.1205518067. The cubic root of 1152474889 is about 1048.4405843368.

The spelling of 1152474889 in words is "one billion, one hundred fifty-two million, four hundred seventy-four thousand, eight hundred eighty-nine".