1112371380 has 72 divisors (see below), whose sum is σ = 3499178592. Its totient is φ = 296631072.

The previous prime is 1112371373. The next prime is 1112371391. The reversal of 1112371380 is 831732111.

It is a happy number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109582 + ... + 119301.

Almost surely, 2^1112371380 is an apocalyptic number.

1112371380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112371380 is an abundant number, since it is smaller than the sum of its proper divisors (2386807212).

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

1112371380 is a wasteful number, since it uses less digits than its factorization.

1112371380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228907 (or 228893 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1112371380 is about 33352.2320092674. The cubic root of 1112371380 is about 1036.1356155358.

The spelling of 1112371380 in words is "one billion, one hundred twelve million, three hundred seventy-one thousand, three hundred eighty".