112857420 has 96 divisors (see below), whose sum is σ = 348707520. Its totient is φ = 27095040.

The previous prime is 112857419. The next prime is 112857421. The reversal of 112857420 is 24758211.

It is an interprime number because it is at equal distance from previous prime (112857419) and next prime (112857421).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (112857421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30216 + ... + 33744.

It is an arithmetic number, because the mean of its divisors is an integer number (3632370).

Almost surely, 2^112857420 is an apocalyptic number.

112857420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112857420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174353760).

112857420 is an abundant number, since it is smaller than the sum of its proper divisors (235850100).

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

112857420 is a wasteful number, since it uses less digits than its factorization.

112857420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 112857420 is about 10623.4372968451. The cubic root of 112857420 is about 483.2553892015.

The spelling of 112857420 in words is "one hundred twelve million, eight hundred fifty-seven thousand, four hundred twenty".