121315201 has 8 divisors (see below), whose sum is σ = 138775424. Its totient is φ = 103887360.

The previous prime is 121315189. The next prime is 121315211. The reversal of 121315201 is 102513121.

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

It is a cyclic number.

It is not a de Polignac number, because 121315201 - 2¹⁵ = 121282433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121315211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556 + ... + 15586.

It is an arithmetic number, because the mean of its divisors is an integer number (17346928).

Almost surely, 2^121315201 is an apocalyptic number.

It is an amenable number.

121315201 is a deficient number, since it is larger than the sum of its proper divisors (17460223).

121315201 is a wasteful number, since it uses less digits than its factorization.

121315201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16191.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 121315201 is about 11014.3179997674. The cubic root of 121315201 is about 495.0378517462.

Adding to 121315201 its reverse (102513121), we get a palindrome (223828322).

The spelling of 121315201 in words is "one hundred twenty-one million, three hundred fifteen thousand, two hundred one".