1241121223 has 4 divisors (see below), whose sum is σ = 1250180640. Its totient is φ = 1232061808.

The previous prime is 1241121221. The next prime is 1241121281. The reversal of 1241121223 is 3221211421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1241121223 - 2¹ = 1241121221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241121221) 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, 4529503 + ... + 4529776.

It is an arithmetic number, because the mean of its divisors is an integer number (312545160).

Almost surely, 2^1241121223 is an apocalyptic number.

1241121223 is a deficient number, since it is larger than the sum of its proper divisors (9059417).

1241121223 is an equidigital number, since it uses as much as digits as its factorization.

1241121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059416.

The product of its digits is 192, while the sum is 19.

The square root of 1241121223 is about 35229.5504229049. The cubic root of 1241121223 is about 1074.6607829657.

Adding to 1241121223 its reverse (3221211421), we get a palindrome (4462332644).

The spelling of 1241121223 in words is "one billion, two hundred forty-one million, one hundred twenty-one thousand, two hundred twenty-three".