420121614 has 16 divisors (see below), whose sum is σ = 916629120. Its totient is φ = 127309560.

The previous prime is 420121613. The next prime is 420121627. The reversal of 420121614 is 416121024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420121613) 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 7 ways as a sum of consecutive naturals, for example, 3182674 + ... + 3182805.

It is an arithmetic number, because the mean of its divisors is an integer number (57289320).

Almost surely, 2^420121614 is an apocalyptic number.

420121614 is an abundant number, since it is smaller than the sum of its proper divisors (496507506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420121614 is a wasteful number, since it uses less digits than its factorization.

420121614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365495.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 420121614 is about 20496.8683949524. The cubic root of 420121614 is about 748.9595136294.

Adding to 420121614 its reverse (416121024), we get a palindrome (836242638).

The spelling of 420121614 in words is "four hundred twenty million, one hundred twenty-one thousand, six hundred fourteen".