1115980620 has 24 divisors (see below), whose sum is σ = 3124745904. Its totient is φ = 297594816.

The previous prime is 1115980577. The next prime is 1115980651. The reversal of 1115980620 is 260895111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9299779 + ... + 9299898.

It is an arithmetic number, because the mean of its divisors is an integer number (130197746).

Almost surely, 2^1115980620 is an apocalyptic number.

1115980620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115980620 is an abundant number, since it is smaller than the sum of its proper divisors (2008765284).

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

1115980620 is a wasteful number, since it uses less digits than its factorization.

1115980620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18599689 (or 18599687 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 1115980620 is about 33406.2961131581. The cubic root of 1115980620 is about 1037.2550332763.

The spelling of 1115980620 in words is "one billion, one hundred fifteen million, nine hundred eighty thousand, six hundred twenty".