105042947 has 2 divisors, whose sum is σ = 105042948. Its totient is φ = 105042946.

The previous prime is 105042941. The next prime is 105042953. The reversal of 105042947 is 749240501.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (105042941) and next prime (105042953).

It is an emirp because it is prime and its reverse (749240501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105042947 - 2¹⁸ = 104780803 is a prime.

It is a super-2 number, since 2×105042947² = 22068041428889618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105042941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52521473 + 52521474.

It is an arithmetic number, because the mean of its divisors is an integer number (52521474).

Almost surely, 2^105042947 is an apocalyptic number.

105042947 is a deficient number, since it is larger than the sum of its proper divisors (1).

105042947 is an equidigital number, since it uses as much as digits as its factorization.

105042947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 105042947 is about 10249.0461507401. The cubic root of 105042947 is about 471.8337101541.

The spelling of 105042947 in words is "one hundred five million, forty-two thousand, nine hundred forty-seven".