112009980 has 24 divisors (see below), whose sum is σ = 313628112. Its totient is φ = 29869312.

The previous prime is 112009939. The next prime is 112009981. The reversal of 112009980 is 89900211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112009981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933357 + ... + 933476.

It is an arithmetic number, because the mean of its divisors is an integer number (13067838).

Almost surely, 2^112009980 is an apocalyptic number.

112009980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112009980 is an abundant number, since it is smaller than the sum of its proper divisors (201618132).

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

112009980 is a wasteful number, since it uses less digits than its factorization.

112009980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866845 (or 1866843 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 112009980 is about 10583.4767444352. The cubic root of 112009980 is about 482.0427698025.

The spelling of 112009980 in words is "one hundred twelve million, nine thousand, nine hundred eighty".