121340241142 has 8 divisors (see below), whose sum is σ = 182432660832. Its totient is φ = 60529354200.

The previous prime is 121340241119. The next prime is 121340241179. The reversal of 121340241142 is 241142043121.

121340241142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70382109 + ... + 70383832.

It is an arithmetic number, because the mean of its divisors is an integer number (22804082604).

Almost surely, 2^121340241142 is an apocalyptic number.

121340241142 is a deficient number, since it is larger than the sum of its proper divisors (61092419690).

121340241142 is a wasteful number, since it uses less digits than its factorization.

121340241142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140766374.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 121340241142 its reverse (241142043121), we get a palindrome (362482284263).

The spelling of 121340241142 in words is "one hundred twenty-one billion, three hundred forty million, two hundred forty-one thousand, one hundred forty-two".