420142101 has 8 divisors (see below), whose sum is σ = 578260224. Its totient is φ = 271059360.

The previous prime is 420142069. The next prime is 420142103. The reversal of 420142101 is 101241024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420142101 - 2⁵ = 420142069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420142103) 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 7 ways as a sum of consecutive naturals, for example, 2258736 + ... + 2258921.

It is an arithmetic number, because the mean of its divisors is an integer number (72282528).

Almost surely, 2^420142101 is an apocalyptic number.

It is an amenable number.

420142101 is a deficient number, since it is larger than the sum of its proper divisors (158118123).

420142101 is a wasteful number, since it uses less digits than its factorization.

420142101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517691.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 420142101 is about 20497.3681481306. The cubic root of 420142101 is about 748.9716876315.

Adding to 420142101 its reverse (101241024), we get a palindrome (521383125).

The spelling of 420142101 in words is "four hundred twenty million, one hundred forty-two thousand, one hundred one".