241221245 has 32 divisors (see below), whose sum is σ = 330583680. Its totient is φ = 167823360.

The previous prime is 241221223. The next prime is 241221287. The reversal of 241221245 is 542122142.

It is not a de Polignac number, because 241221245 - 2¹² = 241217149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 241221245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64394 + ... + 68036.

It is an arithmetic number, because the mean of its divisors is an integer number (10330740).

Almost surely, 2^241221245 is an apocalyptic number.

It is an amenable number.

241221245 is a deficient number, since it is larger than the sum of its proper divisors (89362435).

241221245 is a wasteful number, since it uses less digits than its factorization.

241221245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725.

The product of its digits is 1280, while the sum is 23.

The square root of 241221245 is about 15531.2988832229. The cubic root of 241221245 is about 622.4987994794.

Adding to 241221245 its reverse (542122142), we get a palindrome (783343387).

The spelling of 241221245 in words is "two hundred forty-one million, two hundred twenty-one thousand, two hundred forty-five".