42117059 has 2 divisors, whose sum is σ = 42117060. Its totient is φ = 42117058.

The previous prime is 42117017. The next prime is 42117067. The reversal of 42117059 is 95071124.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42117059 is a prime.

It is not a weakly prime, because it can be changed into another prime (42117079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21058529 + 21058530.

It is an arithmetic number, because the mean of its divisors is an integer number (21058530).

Almost surely, 2^42117059 is an apocalyptic number.

42117059 is a deficient number, since it is larger than the sum of its proper divisors (1).

42117059 is an equidigital number, since it uses as much as digits as its factorization.

42117059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 42117059 is about 6489.7657122580. The cubic root of 42117059 is about 347.9253016004.

The spelling of 42117059 in words is "forty-two million, one hundred seventeen thousand, fifty-nine".