112251780 has 36 divisors (see below), whose sum is σ = 340497612. Its totient is φ = 29933760.

The previous prime is 112251767. The next prime is 112251793. The reversal of 112251780 is 87152211.

It is an interprime number because it is at equal distance from previous prime (112251767) and next prime (112251793).

It can be written as a sum of positive squares in 2 ways, for example, as 79281216 + 32970564 = 8904^2 + 5742^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×112251780² = 25200924226336800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311631 + ... + 311990.

It is an arithmetic number, because the mean of its divisors is an integer number (9458267).

Almost surely, 2^112251780 is an apocalyptic number.

112251780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112251780 is an abundant number, since it is smaller than the sum of its proper divisors (228245832).

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

112251780 is a wasteful number, since it uses less digits than its factorization.

112251780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623636 (or 623631 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 112251780 is about 10594.8940532692. The cubic root of 112251780 is about 482.3893882305.

The spelling of 112251780 in words is "one hundred twelve million, two hundred fifty-one thousand, seven hundred eighty".