105521092 has 12 divisors (see below), whose sum is σ = 188146476. Its totient is φ = 51764960.

The previous prime is 105521089. The next prime is 105521093. The reversal of 105521092 is 290125501.

It can be written as a sum of positive squares in 2 ways, for example, as 72182016 + 33339076 = 8496^2 + 5774^2 .

It is a super-2 number, since 2×105521092² = 22269401713744928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105521093) 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 3 ways as a sum of consecutive naturals, for example, 248659 + ... + 249082.

It is an arithmetic number, because the mean of its divisors is an integer number (15678873).

Almost surely, 2^105521092 is an apocalyptic number.

It is an amenable number.

105521092 is a deficient number, since it is larger than the sum of its proper divisors (82625384).

105521092 is a wasteful number, since it uses less digits than its factorization.

105521092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497798 (or 497796 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 105521092 is about 10272.3459832698. The cubic root of 105521092 is about 472.5485399402.

Adding to 105521092 its reverse (290125501), we get a palindrome (395646593).

The spelling of 105521092 in words is "one hundred five million, five hundred twenty-one thousand, ninety-two".