342128627 has 2 divisors, whose sum is σ = 342128628. Its totient is φ = 342128626.

The previous prime is 342128609. The next prime is 342128653. The reversal of 342128627 is 726821243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342128627 - 2²⁸ = 73693171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342128027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171064313 + 171064314.

It is an arithmetic number, because the mean of its divisors is an integer number (171064314).

Almost surely, 2^342128627 is an apocalyptic number.

342128627 is a deficient number, since it is larger than the sum of its proper divisors (1).

342128627 is an equidigital number, since it uses as much as digits as its factorization.

342128627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 342128627 is about 18496.7193577672. The cubic root of 342128627 is about 699.4067265747.

The spelling of 342128627 in words is "three hundred forty-two million, one hundred twenty-eight thousand, six hundred twenty-seven".