112154420 has 24 divisors (see below), whose sum is σ = 269170944. Its totient is φ = 38452896.

The previous prime is 112154387. The next prime is 112154429. The reversal of 112154420 is 24451211.

It is a happy number.

It is a super-2 number, since 2×112154420² = 25157227851072800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112154392 and 112154401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112154429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400412 + ... + 400691.

It is an arithmetic number, because the mean of its divisors is an integer number (11215456).

Almost surely, 2^112154420 is an apocalyptic number.

112154420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112154420 is an abundant number, since it is smaller than the sum of its proper divisors (157016524).

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

112154420 is a wasteful number, since it uses less digits than its factorization.

112154420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801119 (or 801117 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 112154420 is about 10590.2983905082. The cubic root of 112154420 is about 482.2498833435.

The spelling of 112154420 in words is "one hundred twelve million, one hundred fifty-four thousand, four hundred twenty".