1120112400 has 120 divisors (see below), whose sum is σ = 3914329824. Its totient is φ = 271539200.

The previous prime is 1120112353. The next prime is 1120112407. The reversal of 1120112400 is 42110211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1120112407) 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, 29229 + ... + 55628.

Almost surely, 2^1120112400 is an apocalyptic number.

1120112400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120112400 is an abundant number, since it is smaller than the sum of its proper divisors (2794217424).

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

1120112400 is a wasteful number, since it uses less digits than its factorization.

1120112400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84889 (or 84878 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1120112400 is about 33468.0803154289. The cubic root of 1120112400 is about 1038.5335594663.

Adding to 1120112400 its reverse (42110211), we get a palindrome (1162222611).

It can be divided in two parts, 112011 and 2400, that added together give a palindrome (114411).

The spelling of 1120112400 in words is "one billion, one hundred twenty million, one hundred twelve thousand, four hundred".