1080117520 has 40 divisors (see below), whose sum is σ = 2512707480. Its totient is φ = 431800320.

The previous prime is 1080117517. The next prime is 1080117523. The reversal of 1080117520 is 257110801.

It is an interprime number because it is at equal distance from previous prime (1080117517) and next prime (1080117523).

It can be written as a sum of positive squares in 4 ways, for example, as 72182016 + 1007935504 = 8496^2 + 31748^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1080117523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212610 + ... + 217630.

It is an arithmetic number, because the mean of its divisors is an integer number (62817687).

Almost surely, 2^1080117520 is an apocalyptic number.

1080117520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080117520 is an abundant number, since it is smaller than the sum of its proper divisors (1432589960).

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

1080117520 is a wasteful number, since it uses less digits than its factorization.

1080117520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1080117520 is about 32865.1414115321. The cubic root of 1080117520 is about 1026.0227807995.

The spelling of 1080117520 in words is "one billion, eighty million, one hundred seventeen thousand, five hundred twenty".