1125799936 has 24 divisors (see below), whose sum is σ = 2251054260. Its totient is φ = 562898944.

The previous prime is 1125799919. The next prime is 1125799943. The reversal of 1125799936 is 6399975211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272806 + ... + 276901.

Almost surely, 2^1125799936 is an apocalyptic number.

1125799936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125799936 is a deficient number, since it is larger than the sum of its proper divisors (1125254324).

1125799936 is an frugal number, since it uses more digits than its factorization.

1125799936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549729 (or 549709 counting only the distinct ones).

The product of its digits is 918540, while the sum is 52.

The square root of 1125799936 is about 33552.9422852900. The cubic root of 1125799936 is about 1040.2883618528.

The spelling of 1125799936 in words is "one billion, one hundred twenty-five million, seven hundred ninety-nine thousand, nine hundred thirty-six".