420030151 has 4 divisors (see below), whose sum is σ = 420120232. Its totient is φ = 419940072.

The previous prime is 420030139. The next prime is 420030167. The reversal of 420030151 is 151030024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420030151 - 2⁵ = 420030119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420030251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37641 + ... + 47506.

It is an arithmetic number, because the mean of its divisors is an integer number (105030058).

Almost surely, 2^420030151 is an apocalyptic number.

420030151 is a deficient number, since it is larger than the sum of its proper divisors (90081).

420030151 is an equidigital number, since it uses as much as digits as its factorization.

420030151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90080.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 420030151 is about 20494.6371277952. The cubic root of 420030151 is about 748.9051586892.

Adding to 420030151 its reverse (151030024), we get a palindrome (571060175).

The spelling of 420030151 in words is "four hundred twenty million, thirty thousand, one hundred fifty-one".