1147879929 has 48 divisors (see below), whose sum is σ = 1864332288. Its totient is φ = 625207968.

The previous prime is 1147879921. The next prime is 1147879939. The reversal of 1147879929 is 9299787411.

It is not a de Polignac number, because 1147879929 - 2³ = 1147879921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1147879921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1578564 + ... + 1579290.

It is an arithmetic number, because the mean of its divisors is an integer number (38840256).

Almost surely, 2^1147879929 is an apocalyptic number.

It is an amenable number.

1147879929 is a deficient number, since it is larger than the sum of its proper divisors (716452359).

1147879929 is a wasteful number, since it uses less digits than its factorization.

1147879929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1227 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 57.

The square root of 1147879929 is about 33880.3767541035. The cubic root of 1147879929 is about 1047.0453379308.

The spelling of 1147879929 in words is "one billion, one hundred forty-seven million, eight hundred seventy-nine thousand, nine hundred twenty-nine".