121683241 has 4 divisors (see below), whose sum is σ = 122558800. Its totient is φ = 120807684.

The previous prime is 121683187. The next prime is 121683253. The reversal of 121683241 is 142386121.

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 not a de Polignac number, because 121683241 - 2¹¹ = 121681193 is a prime.

It is a super-2 number, since 2×121683241² = 29613622280528162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121693241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437571 + ... + 437848.

It is an arithmetic number, because the mean of its divisors is an integer number (30639700).

Almost surely, 2^121683241 is an apocalyptic number.

It is an amenable number.

121683241 is a deficient number, since it is larger than the sum of its proper divisors (875559).

121683241 is an equidigital number, since it uses as much as digits as its factorization.

121683241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875558.

The product of its digits is 2304, while the sum is 28.

The square root of 121683241 is about 11031.0126914985. The cubic root of 121683241 is about 495.5379533985.

The spelling of 121683241 in words is "one hundred twenty-one million, six hundred eighty-three thousand, two hundred forty-one".