42026147 has 2 divisors, whose sum is σ = 42026148. Its totient is φ = 42026146.

The previous prime is 42026071. The next prime is 42026161. The reversal of 42026147 is 74162024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42026147 - 2²⁰ = 40977571 is a prime.

It is not a weakly prime, because it can be changed into another prime (42026167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21013073 + 21013074.

It is an arithmetic number, because the mean of its divisors is an integer number (21013074).

Almost surely, 2^42026147 is an apocalyptic number.

42026147 is a deficient number, since it is larger than the sum of its proper divisors (1).

42026147 is an equidigital number, since it uses as much as digits as its factorization.

42026147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42026147 is about 6482.7576693873. The cubic root of 42026147 is about 347.6747825954.

The spelling of 42026147 in words is "forty-two million, twenty-six thousand, one hundred forty-seven".