1112978580 has 192 divisors, whose sum is σ = 3772446720. Its totient is φ = 239500800.

The previous prime is 1112978567. The next prime is 1112978591. The reversal of 1112978580 is 858792111.

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1683450 + ... + 1684110.

It is an arithmetic number, because the mean of its divisors is an integer number (19648160).

Almost surely, 2^1112978580 is an apocalyptic number.

1112978580 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 1112978580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886223360).

1112978580 is an abundant number, since it is smaller than the sum of its proper divisors (2659468140).

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

1112978580 is a wasteful number, since it uses less digits than its factorization.

1112978580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 42.

The square root of 1112978580 is about 33361.3336064373. Note that the first 3 decimals coincide. The cubic root of 1112978580 is about 1036.3241098694.

The spelling of 1112978580 in words is "one billion, one hundred twelve million, nine hundred seventy-eight thousand, five hundred eighty".