421214102 has 4 divisors (see below), whose sum is σ = 631821156. Its totient is φ = 210607050.

The previous prime is 421214099. The next prime is 421214119. The reversal of 421214102 is 201412124.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105303524 + ... + 105303527.

It is an arithmetic number, because the mean of its divisors is an integer number (157955289).

Almost surely, 2^421214102 is an apocalyptic number.

421214102 is a deficient number, since it is larger than the sum of its proper divisors (210607054).

421214102 is a wasteful number, since it uses less digits than its factorization.

421214102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210607053.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 421214102 is about 20523.5012120252. The cubic root of 421214102 is about 749.6081520500.

Adding to 421214102 its reverse (201412124), we get a palindrome (622626226).

The spelling of 421214102 in words is "four hundred twenty-one million, two hundred fourteen thousand, one hundred two".