1112761980 has 216 divisors, whose sum is σ = 3906848400. Its totient is φ = 255467520.

The previous prime is 1112761921. The next prime is 1112761997. The reversal of 1112761980 is 891672111.

1112761980 is a `hidden beast` number, since 1 + 11 + 27 + 619 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 412476 + ... + 415164.

Almost surely, 2^1112761980 is an apocalyptic number.

1112761980 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 1112761980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953424200).

1112761980 is an abundant number, since it is smaller than the sum of its proper divisors (2794086420).

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

1112761980 is a wasteful number, since it uses less digits than its factorization.

1112761980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The square root of 1112761980 is about 33358.0871753762. The cubic root of 1112761980 is about 1036.2568781577.

The spelling of 1112761980 in words is "one billion, one hundred twelve million, seven hundred sixty-one thousand, nine hundred eighty".