420102307 has 2 divisors, whose sum is σ = 420102308. Its totient is φ = 420102306.

The previous prime is 420102281. The next prime is 420102377. The reversal of 420102307 is 703201024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420102307 - 2²⁷ = 285884579 is a prime.

It is not a weakly prime, because it can be changed into another prime (420102377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210051153 + 210051154.

It is an arithmetic number, because the mean of its divisors is an integer number (210051154).

Almost surely, 2^420102307 is an apocalyptic number.

420102307 is a deficient number, since it is larger than the sum of its proper divisors (1).

420102307 is an equidigital number, since it uses as much as digits as its factorization.

420102307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 420102307 is about 20496.3974151557. The cubic root of 420102307 is about 748.9480404573.

The spelling of 420102307 in words is "four hundred twenty million, one hundred two thousand, three hundred seven".