1125964872 has 48 divisors (see below), whose sum is σ = 3052549500. Its totient is φ = 374944896.

The previous prime is 1125964841. The next prime is 1125964891. The reversal of 1125964872 is 2784695211.

1125964872 is a `hidden beast` number, since 1 + 12 + 596 + 48 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1085438916 + 40525956 = 32946^2 + 6366^2 .

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 11 ways as a sum of consecutive naturals, for example, 69654 + ... + 84282.

Almost surely, 2^1125964872 is an apocalyptic number.

1125964872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125964872 is an abundant number, since it is smaller than the sum of its proper divisors (1926584628).

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

1125964872 is a wasteful number, since it uses less digits than its factorization.

1125964872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15710 (or 15703 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 1125964872 is about 33555.4000423181. The cubic root of 1125964872 is about 1040.3391620638.

The spelling of 1125964872 in words is "one billion, one hundred twenty-five million, nine hundred sixty-four thousand, eight hundred seventy-two".