105206747 has 2 divisors, whose sum is σ = 105206748. Its totient is φ = 105206746.

The previous prime is 105206719. The next prime is 105206753. The reversal of 105206747 is 747602501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105206747 is a prime.

It is a super-2 number, since 2×105206747² = 22136919228644018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105206447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52603373 + 52603374.

It is an arithmetic number, because the mean of its divisors is an integer number (52603374).

Almost surely, 2^105206747 is an apocalyptic number.

105206747 is a deficient number, since it is larger than the sum of its proper divisors (1).

105206747 is an equidigital number, since it uses as much as digits as its factorization.

105206747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 105206747 is about 10257.0340254871. The cubic root of 105206747 is about 472.0788360010.

The spelling of 105206747 in words is "one hundred five million, two hundred six thousand, seven hundred forty-seven".