1120553140 has 96 divisors (see below), whose sum is σ = 2783934720. Its totient is φ = 370842624.

The previous prime is 1120553129. The next prime is 1120553149. The reversal of 1120553140 is 413550211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120553149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708871 + ... + 710449.

It is an arithmetic number, because the mean of its divisors is an integer number (28999320).

Almost surely, 2^1120553140 is an apocalyptic number.

1120553140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120553140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391967360).

1120553140 is an abundant number, since it is smaller than the sum of its proper divisors (1663381580).

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

1120553140 is a wasteful number, since it uses less digits than its factorization.

1120553140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1120553140 is about 33474.6641506677. The cubic root of 1120553140 is about 1038.6697551015.

The spelling of 1120553140 in words is "one billion, one hundred twenty million, five hundred fifty-three thousand, one hundred forty".