105040256 has 16 divisors (see below), whose sum is σ = 209260140. Its totient is φ = 52520064.

The previous prime is 105040249. The next prime is 105040277. The reversal of 105040256 is 652040501.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×105040256² = 22066910761091072, 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 as a sum of consecutive naturals, namely, 410186 + ... + 410441.

Almost surely, 2^105040256 is an apocalyptic number.

105040256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105040256 is a deficient number, since it is larger than the sum of its proper divisors (104219884).

105040256 is an frugal number, since it uses more digits than its factorization.

105040256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820641 (or 820629 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105040256 is about 10248.9148693898. The cubic root of 105040256 is about 471.8296809597.

Adding to 105040256 its reverse (652040501), we get a palindrome (757080757).

The spelling of 105040256 in words is "one hundred five million, forty thousand, two hundred fifty-six".