1120490280 has 384 divisors, whose sum is σ = 4627411200. Its totient is φ = 236141568.

The previous prime is 1120490227. The next prime is 1120490297. The reversal of 1120490280 is 820940211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1277202 + ... + 1278078.

It is an arithmetic number, because the mean of its divisors is an integer number (12050550).

Almost surely, 2^1120490280 is an apocalyptic number.

1120490280 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 1120490280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313705600).

1120490280 is an abundant number, since it is smaller than the sum of its proper divisors (3506920920).

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

1120490280 is a wasteful number, since it uses less digits than its factorization.

1120490280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1120490280 is about 33473.7252184456. The cubic root of 1120490280 is about 1038.6503325504.

The spelling of 1120490280 in words is "one billion, one hundred twenty million, four hundred ninety thousand, two hundred eighty".