1131442412 has 24 divisors (see below), whose sum is σ = 2099129760. Its totient is φ = 531774720.

The previous prime is 1131442399. The next prime is 1131442441. The reversal of 1131442412 is 2142441311.

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, 46337 + ... + 66407.

It is an arithmetic number, because the mean of its divisors is an integer number (87463740).

Almost surely, 2^1131442412 is an apocalyptic number.

It is an amenable number.

1131442412 is a deficient number, since it is larger than the sum of its proper divisors (967687348).

1131442412 is a wasteful number, since it uses less digits than its factorization.

1131442412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20921 (or 20919 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1131442412 is about 33636.9203703312. The cubic root of 1131442412 is about 1042.0234312072.

Adding to 1131442412 its reverse (2142441311), we get a palindrome (3273883723).

The spelling of 1131442412 in words is "one billion, one hundred thirty-one million, four hundred forty-two thousand, four hundred twelve".