420012007 has 2 divisors, whose sum is σ = 420012008. Its totient is φ = 420012006.

The previous prime is 420011983. The next prime is 420012041. The reversal of 420012007 is 700210024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420012007 - 2¹¹ = 420009959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420012067) 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, 210006003 + 210006004.

It is an arithmetic number, because the mean of its divisors is an integer number (210006004).

Almost surely, 2^420012007 is an apocalyptic number.

420012007 is a deficient number, since it is larger than the sum of its proper divisors (1).

420012007 is an equidigital number, since it uses as much as digits as its factorization.

420012007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 420012007 is about 20494.1944706300. The cubic root of 420012007 is about 748.8943750737.

The spelling of 420012007 in words is "four hundred twenty million, twelve thousand, seven".