1113442132 has 24 divisors (see below), whose sum is σ = 2250702720. Its totient is φ = 476338560.

The previous prime is 1113442103. The next prime is 1113442133. The reversal of 1113442132 is 2312443111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113442133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743532 + ... + 745027.

It is an arithmetic number, because the mean of its divisors is an integer number (93779280).

Almost surely, 2^1113442132 is an apocalyptic number.

It is an amenable number.

1113442132 is an abundant number, since it is smaller than the sum of its proper divisors (1137260588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113442132 is a wasteful number, since it uses less digits than its factorization.

1113442132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488591 (or 1488589 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1113442132 is about 33368.2803272809. The cubic root of 1113442132 is about 1036.4679651194.

Adding to 1113442132 its reverse (2312443111), we get a palindrome (3425885243).

The spelling of 1113442132 in words is "one billion, one hundred thirteen million, four hundred forty-two thousand, one hundred thirty-two".