421230102 has 16 divisors (see below), whose sum is σ = 843204720. Its totient is φ = 140285952.

The previous prime is 421230041. The next prime is 421230109. The reversal of 421230102 is 201032124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421230109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23527 + ... + 37362.

It is an arithmetic number, because the mean of its divisors is an integer number (52700295).

Almost surely, 2^421230102 is an apocalyptic number.

421230102 is an abundant number, since it is smaller than the sum of its proper divisors (421974618).

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

421230102 is a wasteful number, since it uses less digits than its factorization.

421230102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62047.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 421230102 is about 20523.8910053625. The cubic root of 421230102 is about 749.6176433265.

Adding to 421230102 its reverse (201032124), we get a palindrome (622262226).

The spelling of 421230102 in words is "four hundred twenty-one million, two hundred thirty thousand, one hundred two".