420712151 has 2 divisors, whose sum is σ = 420712152. Its totient is φ = 420712150.

The previous prime is 420712121. The next prime is 420712153. The reversal of 420712151 is 151217024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420712151 - 2¹⁴ = 420695767 is a prime.

Together with 420712153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420712153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210356075 + 210356076.

It is an arithmetic number, because the mean of its divisors is an integer number (210356076).

Almost surely, 2^420712151 is an apocalyptic number.

420712151 is a deficient number, since it is larger than the sum of its proper divisors (1).

420712151 is an equidigital number, since it uses as much as digits as its factorization.

420712151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 420712151 is about 20511.2688783507. The cubic root of 420712151 is about 749.3102701878.

Adding to 420712151 its reverse (151217024), we get a palindrome (571929175).

The spelling of 420712151 in words is "four hundred twenty million, seven hundred twelve thousand, one hundred fifty-one".