105620256 has 72 divisors (see below), whose sum is σ = 343272384. Its totient is φ = 30176640.

The previous prime is 105620243. The next prime is 105620321. The reversal of 105620256 is 652026501.

105620256 is a `hidden beast` number, since 10 + 5 + 620 + 25 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×105620256² = 22311276955011072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24180 + ... + 28211.

It is an arithmetic number, because the mean of its divisors is an integer number (4767672).

Almost surely, 2^105620256 is an apocalyptic number.

105620256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105620256 is an abundant number, since it is smaller than the sum of its proper divisors (237652128).

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

105620256 is a wasteful number, since it uses less digits than its factorization.

105620256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52414 (or 52403 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 105620256 is about 10277.1715953369. The cubic root of 105620256 is about 472.6965202516.

Adding to 105620256 its reverse (652026501), we get a palindrome (757646757).

It can be divided in two parts, 1056 and 20256, that added together give a palindrome (21312).

The spelling of 105620256 in words is "one hundred five million, six hundred twenty thousand, two hundred fifty-six".