1117984560 has 160 divisors (see below), whose sum is σ = 4321009152. Its totient is φ = 232304640.

The previous prime is 1117984559. The next prime is 1117984573. The reversal of 1117984560 is 654897111.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 11769 + ... + 48728.

Almost surely, 2^1117984560 is an apocalyptic number.

1117984560 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 1117984560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160504576).

1117984560 is an abundant number, since it is smaller than the sum of its proper divisors (3203024592).

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

1117984560 is a wasteful number, since it uses less digits than its factorization.

1117984560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60531 (or 60525 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 1117984560 is about 33436.2761084425. The cubic root of 1117984560 is about 1037.8755201352.

The spelling of 1117984560 in words is "one billion, one hundred seventeen million, nine hundred eighty-four thousand, five hundred sixty".