105241091 has 4 divisors (see below), whose sum is σ = 106283184. Its totient is φ = 104199000.

The previous prime is 105241079. The next prime is 105241109. The reversal of 105241091 is 190142501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105241091 - 2¹⁸ = 104978947 is a prime.

It is a super-2 number, since 2×105241091² = 22151374469740562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105241051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520895 + ... + 521096.

It is an arithmetic number, because the mean of its divisors is an integer number (26570796).

Almost surely, 2^105241091 is an apocalyptic number.

105241091 is a deficient number, since it is larger than the sum of its proper divisors (1042093).

105241091 is a wasteful number, since it uses less digits than its factorization.

105241091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042092.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 105241091 is about 10258.7080570606. The cubic root of 105241091 is about 472.1301993470.

Adding to 105241091 its reverse (190142501), we get a palindrome (295383592).

It can be divided in two parts, 1052410 and 91, that added together give a palindrome (1052501).

The spelling of 105241091 in words is "one hundred five million, two hundred forty-one thousand, ninety-one".