1132112457 has 24 divisors (see below), whose sum is σ = 1938104896. Its totient is φ = 646920432.

The previous prime is 1132112437. The next prime is 1132112461. The reversal of 1132112457 is 7542112311.

It is not a de Polignac number, because 1132112457 - 2⁷ = 1132112329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1132112457.

It is not an unprimeable number, because it can be changed into a prime (1132112407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331078 + ... + 334479.

Almost surely, 2^1132112457 is an apocalyptic number.

It is an amenable number.

1132112457 is a deficient number, since it is larger than the sum of its proper divisors (805992439).

1132112457 is an frugal number, since it uses more digits than its factorization.

1132112457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665579 (or 665567 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1132112457 is about 33646.8788597100. The cubic root of 1132112457 is about 1042.2290875157.

Adding to 1132112457 its reverse (7542112311), we get a palindrome (8674224768).

The spelling of 1132112457 in words is "one billion, one hundred thirty-two million, one hundred twelve thousand, four hundred fifty-seven".