1120431140 has 96 divisors (see below), whose sum is σ = 2574028800. Its totient is φ = 408101760.

The previous prime is 1120431139. The next prime is 1120431157. The reversal of 1120431140 is 411340211.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2673851 + ... + 2674269.

It is an arithmetic number, because the mean of its divisors is an integer number (26812800).

Almost surely, 2^1120431140 is an apocalyptic number.

1120431140 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 1120431140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287014400).

1120431140 is an abundant number, since it is smaller than the sum of its proper divisors (1453597660).

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

1120431140 is a wasteful number, since it uses less digits than its factorization.

1120431140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1120431140 is about 33472.8418273680. The cubic root of 1120431140 is about 1038.6320587458.

Adding to 1120431140 its reverse (411340211), we get a palindrome (1531771351).

The spelling of 1120431140 in words is "one billion, one hundred twenty million, four hundred thirty-one thousand, one hundred forty".