112021440 has 56 divisors (see below), whose sum is σ = 355671120. Its totient is φ = 29872128.

The previous prime is 112021439. The next prime is 112021453. The reversal of 112021440 is 44120211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57385 + ... + 59304.

It is an arithmetic number, because the mean of its divisors is an integer number (6351270).

Almost surely, 2^112021440 is an apocalyptic number.

112021440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021440 is an abundant number, since it is smaller than the sum of its proper divisors (243649680).

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

112021440 is a wasteful number, since it uses less digits than its factorization.

112021440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116709 (or 116699 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 112021440 is about 10584.0181405740. The cubic root of 112021440 is about 482.0592088786.

Adding to 112021440 its reverse (44120211), we get a palindrome (156141651).

The spelling of 112021440 in words is "one hundred twelve million, twenty-one thousand, four hundred forty".