1116780 has 48 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 255168.

The previous prime is 1116751. The next prime is 1116809. The reversal of 1116780 is 876111.

It is an interprime number because it is at equal distance from previous prime (1116751) and next prime (1116809).

It is a self number, because there is not a number n which added to its sum of digits gives 1116780.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (74480).

2^1116780 is an apocalyptic number.

1116780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116780 is an abundant number, since it is smaller than the sum of its proper divisors (2458260).

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

1116780 is a wasteful number, since it uses less digits than its factorization.

1116780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 1116780 is about 1056.7781224079. The cubic root of 1116780 is about 103.7502637048.

The spelling of 1116780 in words is "one million, one hundred sixteen thousand, seven hundred eighty".