121204471078 has 8 divisors (see below), whose sum is σ = 183238255872. Its totient is φ = 60125052456.

The previous prime is 121204471061. The next prime is 121204471111. The reversal of 121204471078 is 870174402121.

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, 238591225 + ... + 238591732.

It is an arithmetic number, because the mean of its divisors is an integer number (22904781984).

Almost surely, 2^121204471078 is an apocalyptic number.

121204471078 is a deficient number, since it is larger than the sum of its proper divisors (62033784794).

121204471078 is a wasteful number, since it uses less digits than its factorization.

121204471078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477183086.

The product of its (nonzero) digits is 25088, while the sum is 37.

Adding to 121204471078 its reverse (870174402121), we get a palindrome (991378873199).

The spelling of 121204471078 in words is "one hundred twenty-one billion, two hundred four million, four hundred seventy-one thousand, seventy-eight".