1040989120 has 28 divisors (see below), whose sum is σ = 2478856104. Its totient is φ = 416395520.

The previous prime is 1040989093. The next prime is 1040989127. The reversal of 1040989120 is 219890401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040989127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626226 + ... + 1626865.

Almost surely, 2^1040989120 is an apocalyptic number.

1040989120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040989120 is an abundant number, since it is smaller than the sum of its proper divisors (1437866984).

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

1040989120 is an equidigital number, since it uses as much as digits as its factorization.

1040989120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253108 (or 3253098 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1040989120 is about 32264.3630031650. The cubic root of 1040989120 is about 1013.4804995556.

The spelling of 1040989120 in words is "one billion, forty million, nine hundred eighty-nine thousand, one hundred twenty".