112420420 has 96 divisors (see below), whose sum is σ = 279417600. Its totient is φ = 37200384.

The previous prime is 112420411. The next prime is 112420433. The reversal of 112420420 is 24024211.

112420420 = T₄₈₉ + T₄₉₀ + ... + T₉₂₄.

It is a junction number, because it is equal to n+sod(n) for n = 112420394 and 112420403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808711 + ... + 808849.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^112420420 is an apocalyptic number.

112420420 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 112420420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139708800).

112420420 is an abundant number, since it is smaller than the sum of its proper divisors (166997180).

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

112420420 is a wasteful number, since it uses less digits than its factorization.

112420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 112420420 is about 10602.8496169662. The cubic root of 112420420 is about 482.6308378300.

Adding to 112420420 its reverse (24024211), we get a palindrome (136444631).

The spelling of 112420420 in words is "one hundred twelve million, four hundred twenty thousand, four hundred twenty".