112129100 has 36 divisors (see below), whose sum is σ = 244322904. Its totient is φ = 44666880.

The previous prime is 112129097. The next prime is 112129103. The reversal of 112129100 is 1921211.

It is an interprime number because it is at equal distance from previous prime (112129097) and next prime (112129103).

It is not an unprimeable number, because it can be changed into a prime (112129103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23519 + ... + 27881.

Almost surely, 2^112129100 is an apocalyptic number.

112129100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112129100 is an abundant number, since it is smaller than the sum of its proper divisors (132193804).

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

112129100 is a wasteful number, since it uses less digits than its factorization.

112129100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634 (or 4627 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 112129100 is about 10589.1028892914. The cubic root of 112129100 is about 482.2135896750.

The spelling of 112129100 in words is "one hundred twelve million, one hundred twenty-nine thousand, one hundred".