1129624872 has 32 divisors (see below), whose sum is σ = 2915162880. Its totient is φ = 364394880.

The previous prime is 1129624843. The next prime is 1129624883. The reversal of 1129624872 is 2784269211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758413 + ... + 759900.

It is an arithmetic number, because the mean of its divisors is an integer number (91098840).

Almost surely, 2^1129624872 is an apocalyptic number.

1129624872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1129624872 is an abundant number, since it is smaller than the sum of its proper divisors (1785538008).

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

1129624872 is a wasteful number, since it uses less digits than its factorization.

1129624872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518353 (or 1518349 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 1129624872 is about 33609.8924723064. The cubic root of 1129624872 is about 1041.4651661470.

The spelling of 1129624872 in words is "one billion, one hundred twenty-nine million, six hundred twenty-four thousand, eight hundred seventy-two".