121355241 has 8 divisors (see below), whose sum is σ = 184922304. Its totient is φ = 69345840.

The previous prime is 121355233. The next prime is 121355249. The reversal of 121355241 is 142553121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121355233) and next prime (121355249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121355241 - 2³ = 121355233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121355249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2889390 + ... + 2889431.

It is an arithmetic number, because the mean of its divisors is an integer number (23115288).

Almost surely, 2^121355241 is an apocalyptic number.

It is an amenable number.

121355241 is a deficient number, since it is larger than the sum of its proper divisors (63567063).

121355241 is an equidigital number, since it uses as much as digits as its factorization.

121355241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778831.

The product of its digits is 1200, while the sum is 24.

The square root of 121355241 is about 11016.1354839163. The cubic root of 121355241 is about 495.0923080582.

The spelling of 121355241 in words is "one hundred twenty-one million, three hundred fifty-five thousand, two hundred forty-one".