1125515432 has 16 divisors (see below), whose sum is σ = 2167378260. Its totient is φ = 547547904.

The previous prime is 1125515423. The next prime is 1125515459. The reversal of 1125515432 is 2345155211.

It can be written as a sum of positive squares in 2 ways, for example, as 1123992676 + 1522756 = 33526^2 + 1234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1125515395 and 1125515404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900913 + ... + 1901504.

Almost surely, 2^1125515432 is an apocalyptic number.

It is an amenable number.

1125515432 is a deficient number, since it is larger than the sum of its proper divisors (1041862828).

1125515432 is a wasteful number, since it uses less digits than its factorization.

1125515432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802460 (or 3802456 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 1125515432 is about 33548.7023892132. The cubic root of 1125515432 is about 1040.2007230917.

The spelling of 1125515432 in words is "one billion, one hundred twenty-five million, five hundred fifteen thousand, four hundred thirty-two".