1116912280 has 48 divisors (see below), whose sum is σ = 2762292960. Its totient is φ = 406148160.

The previous prime is 1116912233. The next prime is 1116912281. The reversal of 1116912280 is 822196111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116912281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110544 + ... + 120223.

It is an arithmetic number, because the mean of its divisors is an integer number (57547770).

Almost surely, 2^1116912280 is an apocalyptic number.

1116912280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116912280 is an abundant number, since it is smaller than the sum of its proper divisors (1645380680).

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

1116912280 is a wasteful number, since it uses less digits than its factorization.

1116912280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230800 (or 230785 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 1116912280 is about 33420.2375814416. The cubic root of 1116912280 is about 1037.5435986904.

The spelling of 1116912280 in words is "one billion, one hundred sixteen million, nine hundred twelve thousand, two hundred eighty".