121313422 has 4 divisors (see below), whose sum is σ = 181970136. Its totient is φ = 60656710.

The previous prime is 121313419. The next prime is 121313441. The reversal of 121313422 is 224313121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224313121 = 761 ⋅294761.

It is a self number, because there is not a number n which added to its sum of digits gives 121313422.

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, 30328354 + ... + 30328357.

It is an arithmetic number, because the mean of its divisors is an integer number (45492534).

Almost surely, 2^121313422 is an apocalyptic number.

121313422 is a deficient number, since it is larger than the sum of its proper divisors (60656714).

121313422 is an equidigital number, since it uses as much as digits as its factorization.

121313422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60656713.

The product of its digits is 288, while the sum is 19.

The square root of 121313422 is about 11014.2372409532. The cubic root of 121313422 is about 495.0354319432.

Adding to 121313422 its reverse (224313121), we get a palindrome (345626543).

The spelling of 121313422 in words is "one hundred twenty-one million, three hundred thirteen thousand, four hundred twenty-two".