1125612432 has 120 divisors (see below), whose sum is σ = 3812006016. Its totient is φ = 302681088.

The previous prime is 1125612379. The next prime is 1125612451. The reversal of 1125612432 is 2342165211.

1125612432 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 612 + 43 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1125612396 and 1125612405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15708 + ... + 49979.

Almost surely, 2^1125612432 is an apocalyptic number.

1125612432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125612432 is an abundant number, since it is smaller than the sum of its proper divisors (2686393584).

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

1125612432 is a wasteful number, since it uses less digits than its factorization.

1125612432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65725 (or 65716 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1125612432 is about 33550.1480175572. The cubic root of 1125612432 is about 1040.2306046816.

Adding to 1125612432 its reverse (2342165211), we get a palindrome (3467777643).

The spelling of 1125612432 in words is "one billion, one hundred twenty-five million, six hundred twelve thousand, four hundred thirty-two".