1120144400 has 60 divisors (see below), whose sum is σ = 2741975172. Its totient is φ = 439595520.

The previous prime is 1120144381. The next prime is 1120144409. The reversal of 1120144400 is 44410211.

It can be written as a sum of positive squares in 6 ways, for example, as 168792064 + 951352336 = 12992^2 + 30844^2 .

It is not an unprimeable number, because it can be changed into a prime (1120144409) 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, 5219 + ... + 47618.

Almost surely, 2^1120144400 is an apocalyptic number.

1120144400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120144400 is an abundant number, since it is smaller than the sum of its proper divisors (1621830772).

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

1120144400 is a wasteful number, since it uses less digits than its factorization.

1120144400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52908 (or 52897 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1120144400 is about 33468.5583794701. The cubic root of 1120144400 is about 1038.5434491754.

Adding to 1120144400 its reverse (44410211), we get a palindrome (1164554611).

The spelling of 1120144400 in words is "one billion, one hundred twenty million, one hundred forty-four thousand, four hundred".