121301 has 4 divisors (see below), whose sum is σ = 122604. Its totient is φ = 120000.

The previous prime is 121291. The next prime is 121309. The reversal of 121301 is 103121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103121 = 101 ⋅1021.

It can be written as a sum of positive squares in 2 ways, for example, as 51076 + 70225 = 226^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 121301 - 2¹⁰ = 120277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (30651).

2¹²¹³⁰¹ is an apocalyptic number.

It is an amenable number.

121301 is a deficient number, since it is larger than the sum of its proper divisors (1303).

121301 is a wasteful number, since it uses less digits than its factorization.

121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 121301 is about 348.2829309627. The cubic root of 121301 is about 49.5018534830.

Adding to 121301 its reverse (103121), we get a palindrome (224422).

The spelling of 121301 in words is "one hundred twenty-one thousand, three hundred one", and thus it is an iban number.