121240141422 has 32 divisors (see below), whose sum is σ = 246926993280. Its totient is φ = 39674797920.

The previous prime is 121240141403. The next prime is 121240141427. The reversal of 121240141422 is 224141042121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121240141392 and 121240141401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121240141427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125272 + ... + 508107.

It is an arithmetic number, because the mean of its divisors is an integer number (7716468540).

Almost surely, 2^121240141422 is an apocalyptic number.

121240141422 is an abundant number, since it is smaller than the sum of its proper divisors (125686851858).

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

121240141422 is a wasteful number, since it uses less digits than its factorization.

121240141422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633968.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 121240141422 its reverse (224141042121), we get a palindrome (345381183543).

The spelling of 121240141422 in words is "one hundred twenty-one billion, two hundred forty million, one hundred forty-one thousand, four hundred twenty-two".