121320201 has 8 divisors (see below), whose sum is σ = 161861760. Its totient is φ = 80829392.

The previous prime is 121320197. The next prime is 121320203. The reversal of 121320201 is 102023121.

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 121320201 - 2² = 121320197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121320203) 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, 6705 + ... + 16958.

It is an arithmetic number, because the mean of its divisors is an integer number (20232720).

Almost surely, 2^121320201 is an apocalyptic number.

It is an amenable number.

121320201 is a deficient number, since it is larger than the sum of its proper divisors (40541559).

121320201 is a wasteful number, since it uses less digits than its factorization.

121320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25375.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121320201 is about 11014.5449747141. The cubic root of 121320201 is about 495.0446526396.

Adding to 121320201 its reverse (102023121), we get a palindrome (223343322).

The spelling of 121320201 in words is "one hundred twenty-one million, three hundred twenty thousand, two hundred one".