1116404520 has 128 divisors (see below), whose sum is σ = 4175677440. Its totient is φ = 231978240.

The previous prime is 1116404459. The next prime is 1116404533. The reversal of 1116404520 is 254046111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51172 + ... + 69651.

It is an arithmetic number, because the mean of its divisors is an integer number (32622480).

Almost surely, 2^1116404520 is an apocalyptic number.

1116404520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116404520 is an abundant number, since it is smaller than the sum of its proper divisors (3059272920).

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

1116404520 is a wasteful number, since it uses less digits than its factorization.

1116404520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120855 (or 120851 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1116404520 is about 33412.6401231630. The cubic root of 1116404520 is about 1037.3863488030.

The spelling of 1116404520 in words is "one billion, one hundred sixteen million, four hundred four thousand, five hundred twenty".