112420540 has 12 divisors (see below), whose sum is σ = 236083176. Its totient is φ = 44968208.

The previous prime is 112420537. The next prime is 112420543. The reversal of 112420540 is 45024211.

It is an interprime number because it is at equal distance from previous prime (112420537) and next prime (112420543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112420543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2810494 + ... + 2810533.

It is an arithmetic number, because the mean of its divisors is an integer number (19673598).

Almost surely, 2^112420540 is an apocalyptic number.

112420540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112420540 is an abundant number, since it is smaller than the sum of its proper divisors (123662636).

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

112420540 is a wasteful number, since it uses less digits than its factorization.

112420540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621036 (or 5621034 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 112420540 is about 10602.8552758208. The cubic root of 112420540 is about 482.6310095535.

Adding to 112420540 its reverse (45024211), we get a palindrome (157444751).

The spelling of 112420540 in words is "one hundred twelve million, four hundred twenty thousand, five hundred forty".