1421120202 has 16 divisors (see below), whose sum is σ = 3009431232. Its totient is φ = 445841600.

The previous prime is 1421120191. The next prime is 1421120209. The reversal of 1421120202 is 2020211241.

It is not an unprimeable number, because it can be changed into a prime (1421120209) 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, 6966174 + ... + 6966377.

It is an arithmetic number, because the mean of its divisors is an integer number (188089452).

Almost surely, 2^1421120202 is an apocalyptic number.

1421120202 is an abundant number, since it is smaller than the sum of its proper divisors (1588311030).

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

1421120202 is a wasteful number, since it uses less digits than its factorization.

1421120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13932573.

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

The square root of 1421120202 is about 37697.7479698722. The cubic root of 1421120202 is about 1124.2863495602.

Adding to 1421120202 its reverse (2020211241), we get a palindrome (3441331443).

The spelling of 1421120202 in words is "one billion, four hundred twenty-one million, one hundred twenty thousand, two hundred two".