121442104440134 has 4 divisors (see below), whose sum is σ = 182163156660204. Its totient is φ = 60721052220066.

The previous prime is 121442104440127. The next prime is 121442104440191. The reversal of 121442104440134 is 431044401244121.

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 = 121442104440094 and 121442104440103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30360526110032 + ... + 30360526110035.

It is an arithmetic number, because the mean of its divisors is an integer number (45540789165051).

Almost surely, 2^{121442104440134} is an apocalyptic number.

121442104440134 is a deficient number, since it is larger than the sum of its proper divisors (60721052220070).

121442104440134 is an equidigital number, since it uses as much as digits as its factorization.

121442104440134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60721052220069.

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 121442104440134 its reverse (431044401244121), we get a palindrome (552486505684255).

The spelling of 121442104440134 in words is "one hundred twenty-one trillion, four hundred forty-two billion, one hundred four million, four hundred forty thousand, one hundred thirty-four".