105049939 has 2 divisors, whose sum is σ = 105049940. Its totient is φ = 105049938.

The previous prime is 105049907. The next prime is 105049951. The reversal of 105049939 is 939940501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105049939 - 2⁵ = 105049907 is a prime.

It is a super-2 number, since 2×105049939² = 22070979367807442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105049639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52524969 + 52524970.

It is an arithmetic number, because the mean of its divisors is an integer number (52524970).

Almost surely, 2^105049939 is an apocalyptic number.

105049939 is a deficient number, since it is larger than the sum of its proper divisors (1).

105049939 is an equidigital number, since it uses as much as digits as its factorization.

105049939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 105049939 is about 10249.3872499774. The cubic root of 105049939 is about 471.8441788503.

The spelling of 105049939 in words is "one hundred five million, forty-nine thousand, nine hundred thirty-nine".