1241225147 has 2 divisors, whose sum is σ = 1241225148. Its totient is φ = 1241225146.

The previous prime is 1241225137. The next prime is 1241225149. The reversal of 1241225147 is 7415221421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241225147 is a prime.

Together with 1241225149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1241225149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620612573 + 620612574.

It is an arithmetic number, because the mean of its divisors is an integer number (620612574).

Almost surely, 2^1241225147 is an apocalyptic number.

1241225147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241225147 is an equidigital number, since it uses as much as digits as its factorization.

1241225147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 1241225147 is about 35231.0253469864. The cubic root of 1241225147 is about 1074.6907773310.

Adding to 1241225147 its reverse (7415221421), we get a palindrome (8656446568).

The spelling of 1241225147 in words is "one billion, two hundred forty-one million, two hundred twenty-five thousand, one hundred forty-seven".