1112317920 has 576 divisors, whose sum is σ = 4640702976. Its totient is φ = 246343680.

The previous prime is 1112317903. The next prime is 1112317963. The reversal of 1112317920 is 297132111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16601727 + ... + 16601793.

It is an arithmetic number, because the mean of its divisors is an integer number (8056776).

Almost surely, 2^1112317920 is an apocalyptic number.

1112317920 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 1112317920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320351488).

1112317920 is an abundant number, since it is smaller than the sum of its proper divisors (3528385056).

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

1112317920 is an equidigital number, since it uses as much as digits as its factorization.

1112317920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1112317920 is about 33351.4305540257. The cubic root of 1112317920 is about 1036.1190165539.

The spelling of 1112317920 in words is "one billion, one hundred twelve million, three hundred seventeen thousand, nine hundred twenty".