1420121422 has 4 divisors (see below), whose sum is σ = 2130182136. Its totient is φ = 710060710.

The previous prime is 1420121411. The next prime is 1420121429. The reversal of 1420121422 is 2241210241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2241210241 = 4729 ⋅473929.

It is a self number, because there is not a number n which added to its sum of digits gives 1420121422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420121429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355030354 + ... + 355030357.

It is an arithmetic number, because the mean of its divisors is an integer number (532545534).

Almost surely, 2^1420121422 is an apocalyptic number.

1420121422 is a deficient number, since it is larger than the sum of its proper divisors (710060714).

1420121422 is an equidigital number, since it uses as much as digits as its factorization.

1420121422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710060713.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1420121422 is about 37684.4984310525. The cubic root of 1420121422 is about 1124.0229006069.

Adding to 1420121422 its reverse (2241210241), we get a palindrome (3661331663).

The spelling of 1420121422 in words is "one billion, four hundred twenty million, one hundred twenty-one thousand, four hundred twenty-two".