105405274 has 32 divisors (see below), whose sum is σ = 187044480. Its totient is φ = 44079552.

The previous prime is 105405263. The next prime is 105405277. The reversal of 105405274 is 472504501.

It is a super-2 number, since 2×105405274² = 22220543574030152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105405277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6724 + ... + 16000.

It is an arithmetic number, because the mean of its divisors is an integer number (5845140).

Almost surely, 2^105405274 is an apocalyptic number.

105405274 is a deficient number, since it is larger than the sum of its proper divisors (81639206).

105405274 is a wasteful number, since it uses less digits than its factorization.

105405274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9334.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 105405274 is about 10266.7070670201. The cubic root of 105405274 is about 472.3755898017.

Adding to 105405274 its reverse (472504501), we get a palindrome (577909775).

The spelling of 105405274 in words is "one hundred five million, four hundred five thousand, two hundred seventy-four".