1231042132 has 24 divisors (see below), whose sum is σ = 2180536064. Its totient is φ = 608055552.

The previous prime is 1231042117. The next prime is 1231042151. The reversal of 1231042132 is 2312401321.

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 in 7 ways as a sum of consecutive naturals, for example, 232903 + ... + 238129.

Almost surely, 2^1231042132 is an apocalyptic number.

It is an amenable number.

1231042132 is a deficient number, since it is larger than the sum of its proper divisors (949493932).

1231042132 is a wasteful number, since it uses less digits than its factorization.

1231042132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935 (or 5933 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1231042132 is about 35086.2099976615. The cubic root of 1231042132 is about 1071.7437813535.

Adding to 1231042132 its reverse (2312401321), we get a palindrome (3543443453).

The spelling of 1231042132 in words is "one billion, two hundred thirty-one million, forty-two thousand, one hundred thirty-two".