105894731 has 2 divisors, whose sum is σ = 105894732. Its totient is φ = 105894730.

The previous prime is 105894727. The next prime is 105894739. The reversal of 105894731 is 137498501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105894731 - 2² = 105894727 is a prime.

It is a super-2 number, since 2×105894731² = 22427388107124722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (105894739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52947365 + 52947366.

It is an arithmetic number, because the mean of its divisors is an integer number (52947366).

Almost surely, 2^105894731 is an apocalyptic number.

105894731 is a deficient number, since it is larger than the sum of its proper divisors (1).

105894731 is an equidigital number, since it uses as much as digits as its factorization.

105894731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 105894731 is about 10290.5165565194. The cubic root of 105894731 is about 473.1056310175.

The spelling of 105894731 in words is "one hundred five million, eight hundred ninety-four thousand, seven hundred thirty-one".