420125039 has 2 divisors, whose sum is σ = 420125040. Its totient is φ = 420125038.

The previous prime is 420125033. The next prime is 420125053. The reversal of 420125039 is 930521024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420125039 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 420124999 and 420125017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420125033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210062519 + 210062520.

It is an arithmetic number, because the mean of its divisors is an integer number (210062520).

Almost surely, 2^420125039 is an apocalyptic number.

420125039 is a deficient number, since it is larger than the sum of its proper divisors (1).

420125039 is an equidigital number, since it uses as much as digits as its factorization.

420125039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 420125039 is about 20496.9519441306. The cubic root of 420125039 is about 748.9615488968.

The spelling of 420125039 in words is "four hundred twenty million, one hundred twenty-five thousand, thirty-nine".