121323241 has 12 divisors (see below), whose sum is σ = 132557148. Its totient is φ = 110982144.

The previous prime is 121323239. The next prime is 121323247. The reversal of 121323241 is 142323121.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 54819216 + 66504025 = 7404^2 + 8155^2 .

It is not a de Polignac number, because 121323241 - 2¹ = 121323239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121323247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15921 + ... + 22273.

It is an arithmetic number, because the mean of its divisors is an integer number (11046429).

Almost surely, 2^121323241 is an apocalyptic number.

It is an amenable number.

121323241 is a deficient number, since it is larger than the sum of its proper divisors (11233907).

121323241 is a wasteful number, since it uses less digits than its factorization.

121323241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492 (or 6479 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 121323241 is about 11014.6829731954. The cubic root of 121323241 is about 495.0487874914.

Adding to 121323241 its reverse (142323121), we get a palindrome (263646362).

The spelling of 121323241 in words is "one hundred twenty-one million, three hundred twenty-three thousand, two hundred forty-one".