121344413241554 has 8 divisors (see below), whose sum is σ = 182113488744960. Its totient is φ = 60639916993236.

The previous prime is 121344413241529. The next prime is 121344413241617. The reversal of 121344413241554 is 455142314443121.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16144809074 + ... + 16144816589.

It is an arithmetic number, because the mean of its divisors is an integer number (22764186093120).

Almost surely, 2^{121344413241554} is an apocalyptic number.

121344413241554 is a deficient number, since it is larger than the sum of its proper divisors (60769075503406).

121344413241554 is a wasteful number, since it uses less digits than its factorization.

121344413241554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32289627544.

The product of its digits is 921600, while the sum is 44.

Adding to 121344413241554 its reverse (455142314443121), we get a palindrome (576486727684675).

The spelling of 121344413241554 in words is "one hundred twenty-one trillion, three hundred forty-four billion, four hundred thirteen million, two hundred forty-one thousand, five hundred fifty-four".