1125112132 has 48 divisors (see below), whose sum is σ = 2174135040. Its totient is φ = 507451392.

The previous prime is 1125112127. The next prime is 1125112141. The reversal of 1125112132 is 2312115211.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127908 + ... + 136420.

It is an arithmetic number, because the mean of its divisors is an integer number (45294480).

Almost surely, 2^1125112132 is an apocalyptic number.

It is an amenable number.

1125112132 is a deficient number, since it is larger than the sum of its proper divisors (1049022908).

1125112132 is a wasteful number, since it uses less digits than its factorization.

1125112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620 (or 8618 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 1125112132 is about 33542.6911860095. The cubic root of 1125112132 is about 1040.0764650386.

Adding to 1125112132 its reverse (2312115211), we get a palindrome (3437227343).

The spelling of 1125112132 in words is "one billion, one hundred twenty-five million, one hundred twelve thousand, one hundred thirty-two".