105320939 has 2 divisors, whose sum is σ = 105320940. Its totient is φ = 105320938.

The previous prime is 105320927. The next prime is 105320947. The reversal of 105320939 is 939023501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105320939 - 2¹² = 105316843 is a prime.

It is a super-2 number, since 2×105320939² = 22185000383683442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105320989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52660469 + 52660470.

It is an arithmetic number, because the mean of its divisors is an integer number (52660470).

Almost surely, 2^105320939 is an apocalyptic number.

105320939 is a deficient number, since it is larger than the sum of its proper divisors (1).

105320939 is an equidigital number, since it uses as much as digits as its factorization.

105320939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 105320939 is about 10262.5990372810. The cubic root of 105320939 is about 472.2495732583.

The spelling of 105320939 in words is "one hundred five million, three hundred twenty thousand, nine hundred thirty-nine".