105727225 has 6 divisors (see below), whose sum is σ = 131101790. Its totient is φ = 84581760.

The previous prime is 105727217. The next prime is 105727231. The reversal of 105727225 is 522727501.

It can be written as a sum of positive squares in 3 ways, for example, as 12257001 + 93470224 = 3501^2 + 9668^2 .

It is not a de Polignac number, because 105727225 - 2³ = 105727217 is a prime.

It is a super-2 number, since 2×105727225² = 22356492212401250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2114520 + ... + 2114569.

Almost surely, 2^105727225 is an apocalyptic number.

It is an amenable number.

105727225 is a deficient number, since it is larger than the sum of its proper divisors (25374565).

105727225 is an equidigital number, since it uses as much as digits as its factorization.

105727225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229099 (or 4229094 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 105727225 is about 10282.3744825794. The cubic root of 105727225 is about 472.8560439886.

It can be divided in two parts, 1057 and 27225, that added together give a palindrome (28282).

The spelling of 105727225 in words is "one hundred five million, seven hundred twenty-seven thousand, two hundred twenty-five".