1120242400 has 36 divisors (see below), whose sum is σ = 2734793712. Its totient is φ = 448096640.

The previous prime is 1120242391. The next prime is 1120242401. The reversal of 1120242400 is 42420211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120242401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 699352 + ... + 700951.

It is an arithmetic number, because the mean of its divisors is an integer number (75966492).

Almost surely, 2^1120242400 is an apocalyptic number.

1120242400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120242400 is an abundant number, since it is smaller than the sum of its proper divisors (1614551312).

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

1120242400 is a wasteful number, since it uses less digits than its factorization.

1120242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400323 (or 1400310 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1120242400 is about 33470.0224081192. The cubic root of 1120242400 is about 1038.5737352379.

Adding to 1120242400 its reverse (42420211), we get a palindrome (1162662611).

The spelling of 1120242400 in words is "one billion, one hundred twenty million, two hundred forty-two thousand, four hundred".