121315106 has 8 divisors (see below), whose sum is σ = 198515664. Its totient is φ = 55143220.

The previous prime is 121315081. The next prime is 121315127. The reversal of 121315106 is 601513121.

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

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, 2757140 + ... + 2757183.

It is an arithmetic number, because the mean of its divisors is an integer number (24814458).

Almost surely, 2^121315106 is an apocalyptic number.

121315106 is a deficient number, since it is larger than the sum of its proper divisors (77200558).

121315106 is a wasteful number, since it uses less digits than its factorization.

121315106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514336.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 121315106 is about 11014.3136871981. The cubic root of 121315106 is about 495.0377225274.

Adding to 121315106 its reverse (601513121), we get a palindrome (722828227).

The spelling of 121315106 in words is "one hundred twenty-one million, three hundred fifteen thousand, one hundred six".