1125251432 has 16 divisors (see below), whose sum is σ = 2110207200. Its totient is φ = 562529520.

The previous prime is 1125251377. The next prime is 1125251441. The reversal of 1125251432 is 2341525211.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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, 73307 + ... + 87317.

It is an arithmetic number, because the mean of its divisors is an integer number (131887950).

Almost surely, 2^1125251432 is an apocalyptic number.

It is an amenable number.

1125251432 is a deficient number, since it is larger than the sum of its proper divisors (984955768).

1125251432 is a wasteful number, since it uses less digits than its factorization.

1125251432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24056 (or 24052 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1125251432 is about 33544.7675800564. The cubic root of 1125251432 is about 1040.1193871820.

Adding to 1125251432 its reverse (2341525211), we get a palindrome (3466776643).

The spelling of 1125251432 in words is "one billion, one hundred twenty-five million, two hundred fifty-one thousand, four hundred thirty-two".