112771220 has 24 divisors (see below), whose sum is σ = 237023304. Its totient is φ = 45069696.

The previous prime is 112771199. The next prime is 112771223. The reversal of 112771220 is 22177211.

It can be written as a sum of positive squares in 4 ways, for example, as 56731024 + 56040196 = 7532^2 + 7486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112771223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37202 + ... + 40118.

It is an arithmetic number, because the mean of its divisors is an integer number (9875971).

Almost surely, 2^112771220 is an apocalyptic number.

112771220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112771220 is an abundant number, since it is smaller than the sum of its proper divisors (124252084).

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

112771220 is a wasteful number, since it uses less digits than its factorization.

112771220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859 (or 4857 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 112771220 is about 10619.3794545632. The cubic root of 112771220 is about 483.1323217512.

The spelling of 112771220 in words is "one hundred twelve million, seven hundred seventy-one thousand, two hundred twenty".