113444120 has 16 divisors (see below), whose sum is σ = 255249360. Its totient is φ = 45377632.

The previous prime is 113444101. The next prime is 113444131. The reversal of 113444120 is 21444311.

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 = 113444092 and 113444101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418012 + ... + 1418091.

It is an arithmetic number, because the mean of its divisors is an integer number (15953085).

Almost surely, 2^113444120 is an apocalyptic number.

113444120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113444120 is an abundant number, since it is smaller than the sum of its proper divisors (141805240).

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

113444120 is a wasteful number, since it uses less digits than its factorization.

113444120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836114 (or 2836110 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 113444120 is about 10651.0149751092. The cubic root of 113444120 is about 484.0913585711.

Adding to 113444120 its reverse (21444311), we get a palindrome (134888431).

It can be divided in two parts, 1134 and 44120, that added together give a palindrome (45254).

The spelling of 113444120 in words is "one hundred thirteen million, four hundred forty-four thousand, one hundred twenty".