121251422 has 4 divisors (see below), whose sum is σ = 181877136. Its totient is φ = 60625710.

The previous prime is 121251419. The next prime is 121251451. The reversal of 121251422 is 224152121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121251394 and 121251403.

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, 30312854 + ... + 30312857.

It is an arithmetic number, because the mean of its divisors is an integer number (45469284).

Almost surely, 2^121251422 is an apocalyptic number.

121251422 is a deficient number, since it is larger than the sum of its proper divisors (60625714).

121251422 is an equidigital number, since it uses as much as digits as its factorization.

121251422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60625713.

The product of its digits is 320, while the sum is 20.

The square root of 121251422 is about 11011.4223422771. The cubic root of 121251422 is about 494.9510845110.

The spelling of 121251422 in words is "one hundred twenty-one million, two hundred fifty-one thousand, four hundred twenty-two".