121241 has 4 divisors (see below), whose sum is σ = 125184. Its totient is φ = 117300.

The previous prime is 121229. The next prime is 121259. The reversal of 121241 is 142121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121271) 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, 1925 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (31296).

2¹²¹²⁴¹ is an apocalyptic number.

It is an amenable number.

121241 is a deficient number, since it is larger than the sum of its proper divisors (3943).

121241 is an equidigital number, since it uses as much as digits as its factorization.

121241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its digits is 16, while the sum is 11.

The square root of 121241 is about 348.1967834429. The cubic root of 121241 is about 49.4936903157.

Adding to 121241 its reverse (142121), we get a palindrome (263362).

It can be divided in two parts, 121 and 241, that multiplied together give a triangular number (29161 = T₂₄₁).

The spelling of 121241 in words is "one hundred twenty-one thousand, two hundred forty-one", and thus it is an iban number.