1223051241 has 4 divisors (see below), whose sum is σ = 1630734992. Its totient is φ = 815367492.

The previous prime is 1223051237. The next prime is 1223051273. The reversal of 1223051241 is 1421503221.

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 not a de Polignac number, because 1223051241 - 2² = 1223051237 is a prime.

It is a super-2 number, since 2×1223051241² = 2991708676223280162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223051201) 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, 203841871 + ... + 203841876.

It is an arithmetic number, because the mean of its divisors is an integer number (407683748).

Almost surely, 2^1223051241 is an apocalyptic number.

It is an amenable number.

1223051241 is a deficient number, since it is larger than the sum of its proper divisors (407683751).

1223051241 is an equidigital number, since it uses as much as digits as its factorization.

1223051241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407683750.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1223051241 is about 34972.1495049990. The cubic root of 1223051241 is about 1069.4197922898.

Adding to 1223051241 its reverse (1421503221), we get a palindrome (2644554462).

The spelling of 1223051241 in words is "one billion, two hundred twenty-three million, fifty-one thousand, two hundred forty-one".