121490241 has 4 divisors (see below), whose sum is σ = 161986992. Its totient is φ = 80993492.

The previous prime is 121490227. The next prime is 121490273. The reversal of 121490241 is 142094121.

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 121490241 - 2¹⁷ = 121359169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121490141) 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, 20248371 + ... + 20248376.

It is an arithmetic number, because the mean of its divisors is an integer number (40496748).

Almost surely, 2^121490241 is an apocalyptic number.

It is an amenable number.

121490241 is a deficient number, since it is larger than the sum of its proper divisors (40496751).

121490241 is an equidigital number, since it uses as much as digits as its factorization.

121490241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40496750.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 121490241 is about 11022.2611564053. The cubic root of 121490241 is about 495.2758262763.

The spelling of 121490241 in words is "one hundred twenty-one million, four hundred ninety thousand, two hundred forty-one".