105040897 has 4 divisors (see below), whose sum is σ = 113120980. Its totient is φ = 96960816.

The previous prime is 105040883. The next prime is 105040907. The reversal of 105040897 is 798040501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798040501 = 349 ⋅2286649.

It can be written as a sum of positive squares in 2 ways, for example, as 22667121 + 82373776 = 4761^2 + 9076^2 .

It is a cyclic number.

It is not a de Polignac number, because 105040897 - 2⁷ = 105040769 is a prime.

It is a super-2 number, since 2×105040897² = 22067180085129218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105040097) 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, 4040022 + ... + 4040047.

It is an arithmetic number, because the mean of its divisors is an integer number (28280245).

Almost surely, 2^105040897 is an apocalyptic number.

It is an amenable number.

105040897 is a deficient number, since it is larger than the sum of its proper divisors (8080083).

105040897 is an equidigital number, since it uses as much as digits as its factorization.

105040897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080082.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 105040897 is about 10248.9461409454. The cubic root of 105040897 is about 471.8306407258.

The spelling of 105040897 in words is "one hundred five million, forty thousand, eight hundred ninety-seven".