105211497 has 16 divisors (see below), whose sum is σ = 143863808. Its totient is φ = 68357520.

The previous prime is 105211451. The next prime is 105211501. The reversal of 105211497 is 794112501.

It is not a de Polignac number, because 105211497 - 2¹⁵ = 105178729 is a prime.

It is a super-2 number, since 2×105211497² = 22138918201962018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105211597) 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, 105672 + ... + 106662.

It is an arithmetic number, because the mean of its divisors is an integer number (8991488).

Almost surely, 2^105211497 is an apocalyptic number.

It is an amenable number.

105211497 is a deficient number, since it is larger than the sum of its proper divisors (38652311).

105211497 is an equidigital number, since it uses as much as digits as its factorization.

105211497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 105211497 is about 10257.2655712914. The cubic root of 105211497 is about 472.0859405539.

Adding to 105211497 its reverse (794112501), we get a palindrome (899323998).

The spelling of 105211497 in words is "one hundred five million, two hundred eleven thousand, four hundred ninety-seven".