105444120 has 64 divisors (see below), whose sum is σ = 320692320. Its totient is φ = 27730944.

The previous prime is 105444109. The next prime is 105444139. The reversal of 105444120 is 21444501.

It is a happy number.

It is a super-2 number, since 2×105444120² = 22236924885148800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742 + ... + 14778.

Almost surely, 2^105444120 is an apocalyptic number.

105444120 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 105444120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160346160).

105444120 is an abundant number, since it is smaller than the sum of its proper divisors (215248200).

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

105444120 is a wasteful number, since it uses less digits than its factorization.

105444120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12124 (or 12120 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 105444120 is about 10268.5987359522. The cubic root of 105444120 is about 472.4336123519.

Adding to 105444120 its reverse (21444501), we get a palindrome (126888621).

The spelling of 105444120 in words is "one hundred five million, four hundred forty-four thousand, one hundred twenty".