121242301 has 4 divisors (see below), whose sum is σ = 125423100. Its totient is φ = 117061504.

The previous prime is 121242299. The next prime is 121242313. The reversal of 121242301 is 103242121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103242121 = 31 ⋅3330391.

It can be written as a sum of positive squares in 2 ways, for example, as 61936900 + 59305401 = 7870^2 + 7701^2 .

It is a cyclic number.

It is not a de Polignac number, because 121242301 - 2¹ = 121242299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121242391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090356 + ... + 2090413.

It is an arithmetic number, because the mean of its divisors is an integer number (31355775).

Almost surely, 2^121242301 is an apocalyptic number.

It is an amenable number.

121242301 is a deficient number, since it is larger than the sum of its proper divisors (4180799).

121242301 is an equidigital number, since it uses as much as digits as its factorization.

121242301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180798.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121242301 is about 11011.0081736415. The cubic root of 121242301 is about 494.9386734894.

Adding to 121242301 its reverse (103242121), we get a palindrome (224484422).

The spelling of 121242301 in words is "one hundred twenty-one million, two hundred forty-two thousand, three hundred one".