112001900 has 18 divisors (see below), whose sum is σ = 243044340. Its totient is φ = 44800720.

The previous prime is 112001867. The next prime is 112001909. The reversal of 112001900 is 9100211.

It is a super-2 number, since 2×112001900² = 25088851207220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112001909) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 559910 + ... + 560109.

Almost surely, 2^112001900 is an apocalyptic number.

112001900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001900 is an abundant number, since it is smaller than the sum of its proper divisors (131042440).

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

112001900 is a wasteful number, since it uses less digits than its factorization.

112001900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120033 (or 1120026 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 112001900 is about 10583.0950104400. The cubic root of 112001900 is about 482.0311785758.

The spelling of 112001900 in words is "one hundred twelve million, one thousand, nine hundred".