121404241 has 8 divisors (see below), whose sum is σ = 141099840. Its totient is φ = 102296688.

The previous prime is 121404229. The next prime is 121404247. The reversal of 121404241 is 142404121.

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 121404241 - 2⁵ = 121404209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121404247) 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, 146566 + ... + 147391.

It is an arithmetic number, because the mean of its divisors is an integer number (17637480).

Almost surely, 2^121404241 is an apocalyptic number.

It is an amenable number.

121404241 is a deficient number, since it is larger than the sum of its proper divisors (19695599).

121404241 is an equidigital number, since it uses as much as digits as its factorization.

121404241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294023.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 121404241 is about 11018.3592698732. The cubic root of 121404241 is about 495.1589341017.

Adding to 121404241 its reverse (142404121), we get a palindrome (263808362).

The spelling of 121404241 in words is "one hundred twenty-one million, four hundred four thousand, two hundred forty-one".