1120530432 has 156 divisors (see below), whose sum is σ = 3477374376. Its totient is φ = 319979520.

The previous prime is 1120530427. The next prime is 1120530473. The reversal of 1120530432 is 2340350211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1120530399 and 1120530408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601182 + ... + 603042.

Almost surely, 2^1120530432 is an apocalyptic number.

1120530432 is a gapful number since it is divisible by the number (12) 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 1120530432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738687188).

1120530432 is an abundant number, since it is smaller than the sum of its proper divisors (2356843944).

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

1120530432 is an equidigital number, since it uses as much as digits as its factorization.

1120530432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1120530432 is about 33474.3249670550. The cubic root of 1120530432 is about 1038.6627388428.

Adding to 1120530432 its reverse (2340350211), we get a palindrome (3460880643).

The spelling of 1120530432 in words is "one billion, one hundred twenty million, five hundred thirty thousand, four hundred thirty-two".