1242131132 has 48 divisors (see below), whose sum is σ = 2458360800. Its totient is φ = 543970560.

The previous prime is 1242131089. The next prime is 1242131147. The reversal of 1242131132 is 2311312421.

It is a congruent number.

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, 903998 + ... + 905370.

It is an arithmetic number, because the mean of its divisors is an integer number (51215850).

Almost surely, 2^1242131132 is an apocalyptic number.

It is an amenable number.

1242131132 is a deficient number, since it is larger than the sum of its proper divisors (1216229668).

1242131132 is a wasteful number, since it uses less digits than its factorization.

1242131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126 (or 2124 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1242131132 is about 35243.8807738308. The cubic root of 1242131132 is about 1074.9521902660.

Adding to 1242131132 its reverse (2311312421), we get a palindrome (3553443553).

The spelling of 1242131132 in words is "one billion, two hundred forty-two million, one hundred thirty-one thousand, one hundred thirty-two".