112161500 has 48 divisors (see below), whose sum is σ = 267242976. Its totient is φ = 40784000.

The previous prime is 112161487. The next prime is 112161523. The reversal of 112161500 is 5161211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4697 + ... + 15696.

It is an arithmetic number, because the mean of its divisors is an integer number (5567562).

Almost surely, 2^112161500 is an apocalyptic number.

112161500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112161500 is an abundant number, since it is smaller than the sum of its proper divisors (155081476).

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

112161500 is a wasteful number, since it uses less digits than its factorization.

112161500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20423 (or 20411 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 112161500 is about 10590.6326534348. The cubic root of 112161500 is about 482.2600308328.

The spelling of 112161500 in words is "one hundred twelve million, one hundred sixty-one thousand, five hundred".