1040432120 has 128 divisors (see below), whose sum is σ = 2898080640. Its totient is φ = 327352320.

The previous prime is 1040432093. The next prime is 1040432123. The reversal of 1040432120 is 212340401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040432123) 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, 701780 + ... + 703260.

It is an arithmetic number, because the mean of its divisors is an integer number (22641255).

Almost surely, 2^1040432120 is an apocalyptic number.

1040432120 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 1040432120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449040320).

1040432120 is an abundant number, since it is smaller than the sum of its proper divisors (1857648520).

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

1040432120 is a wasteful number, since it uses less digits than its factorization.

1040432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1040432120 is about 32255.7300335925. The cubic root of 1040432120 is about 1013.2997069674.

Adding to 1040432120 its reverse (212340401), we get a palindrome (1252772521).

It can be divided in two parts, 10404 and 32120, that added together give a palindrome (42524).

The spelling of 1040432120 in words is "one billion, forty million, four hundred thirty-two thousand, one hundred twenty".