420137001 has 12 divisors (see below), whose sum is σ = 607042800. Its totient is φ = 280009080.

The previous prime is 420136993. The next prime is 420137027. The reversal of 420137001 is 100731024.

It is not a de Polignac number, because 420137001 - 2³ = 420136993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420137071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52986 + ... + 60396.

It is an arithmetic number, because the mean of its divisors is an integer number (50586900).

Almost surely, 2^420137001 is an apocalyptic number.

It is an amenable number.

420137001 is a deficient number, since it is larger than the sum of its proper divisors (186905799).

420137001 is a wasteful number, since it uses less digits than its factorization.

420137001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13716 (or 13713 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 420137001 is about 20497.2437415375. The cubic root of 420137001 is about 748.9686570925.

Adding to 420137001 its reverse (100731024), we get a palindrome (520868025).

The spelling of 420137001 in words is "four hundred twenty million, one hundred thirty-seven thousand, one".