105123044 has 12 divisors (see below), whose sum is σ = 198116604. Its totient is φ = 48518304.

The previous prime is 105123037. The next prime is 105123049. The reversal of 105123044 is 440321501.

It can be written as a sum of positive squares in 2 ways, for example, as 62220544 + 42902500 = 7888^2 + 6550^2 .

It is a super-2 number, since 2×105123044² = 22101708759651872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105123049) 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, 1010747 + ... + 1010850.

It is an arithmetic number, because the mean of its divisors is an integer number (16509717).

Almost surely, 2^105123044 is an apocalyptic number.

It is an amenable number.

105123044 is a deficient number, since it is larger than the sum of its proper divisors (92993560).

105123044 is a wasteful number, since it uses less digits than its factorization.

105123044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021614 (or 2021612 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 105123044 is about 10252.9529404948. The cubic root of 105123044 is about 471.9536067108.

Adding to 105123044 its reverse (440321501), we get a palindrome (545444545).

The spelling of 105123044 in words is "one hundred five million, one hundred twenty-three thousand, forty-four".