105698039 has 2 divisors, whose sum is σ = 105698040. Its totient is φ = 105698038.

The previous prime is 105698017. The next prime is 105698051. The reversal of 105698039 is 930896501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105698039 - 2²⁰ = 104649463 is a prime.

It is a super-2 number, since 2×105698039² = 22344150896891042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 105697987 and 105698005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105698839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52849019 + 52849020.

It is an arithmetic number, because the mean of its divisors is an integer number (52849020).

Almost surely, 2^105698039 is an apocalyptic number.

105698039 is a deficient number, since it is larger than the sum of its proper divisors (1).

105698039 is an equidigital number, since it uses as much as digits as its factorization.

105698039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 105698039 is about 10280.9551599061. The cubic root of 105698039 is about 472.8125293480.

The spelling of 105698039 in words is "one hundred five million, six hundred ninety-eight thousand, thirty-nine".