1113022400 has 84 divisors (see below), whose sum is σ = 3130009488. Its totient is φ = 381603840.

The previous prime is 1113022397. The next prime is 1113022403. The reversal of 1113022400 is 42203111.

It is an interprime number because it is at equal distance from previous prime (1113022397) and next prime (1113022403).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113022403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38489 + ... + 60888.

Almost surely, 2^1113022400 is an apocalyptic number.

1113022400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113022400 is an abundant number, since it is smaller than the sum of its proper divisors (2016987088).

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

1113022400 is an equidigital number, since it uses as much as digits as its factorization.

1113022400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99406 (or 99391 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1113022400 is about 33361.9903482991. The cubic root of 1113022400 is about 1036.3377103488.

Adding to 1113022400 its reverse (42203111), we get a palindrome (1155225511).

The spelling of 1113022400 in words is "one billion, one hundred thirteen million, twenty-two thousand, four hundred".