121451241 has 8 divisors (see below), whose sum is σ = 163022400. Its totient is φ = 80423792.

The previous prime is 121451219. The next prime is 121451257. The reversal of 121451241 is 142154121.

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

It is a cyclic number.

It is not a de Polignac number, because 121451241 - 2¹¹ = 121449193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121451641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135405 + ... + 136298.

It is an arithmetic number, because the mean of its divisors is an integer number (20377800).

Almost surely, 2^121451241 is an apocalyptic number.

It is an amenable number.

121451241 is a deficient number, since it is larger than the sum of its proper divisors (41571159).

121451241 is a wasteful number, since it uses less digits than its factorization.

121451241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271855.

The product of its digits is 320, while the sum is 21.

The square root of 121451241 is about 11020.4918674259. The cubic root of 121451241 is about 495.2228238724. Note that the first 3 decimals are identical.

The spelling of 121451241 in words is "one hundred twenty-one million, four hundred fifty-one thousand, two hundred forty-one".