105199499 has 2 divisors, whose sum is σ = 105199500. Its totient is φ = 105199498.

The previous prime is 105199487. The next prime is 105199517. The reversal of 105199499 is 994991501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105199499 - 2⁸ = 105199243 is a prime.

It is a super-2 number, since 2×105199499² = 22133869179702002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105199459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52599749 + 52599750.

It is an arithmetic number, because the mean of its divisors is an integer number (52599750).

Almost surely, 2^105199499 is an apocalyptic number.

105199499 is a deficient number, since it is larger than the sum of its proper divisors (1).

105199499 is an equidigital number, since it uses as much as digits as its factorization.

105199499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 47.

The square root of 105199499 is about 10256.6807008895. The cubic root of 105199499 is about 472.0679947888.

The spelling of 105199499 in words is "one hundred five million, one hundred ninety-nine thousand, four hundred ninety-nine".