1113400372 has 24 divisors (see below), whose sum is σ = 2260040384. Its totient is φ = 470048832.

The previous prime is 1113400349. The next prime is 1113400373. The reversal of 1113400372 is 2730043111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113400373) 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, 294873 + ... + 298624.

Almost surely, 2^1113400372 is an apocalyptic number.

It is an amenable number.

1113400372 is an abundant number, since it is smaller than the sum of its proper divisors (1146640012).

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

1113400372 is a wasteful number, since it uses less digits than its factorization.

1113400372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593575 (or 593573 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1113400372 is about 33367.6545774497. The cubic root of 1113400372 is about 1036.4550072709.

Adding to 1113400372 its reverse (2730043111), we get a palindrome (3843443483).

The spelling of 1113400372 in words is "one billion, one hundred thirteen million, four hundred thousand, three hundred seventy-two".