1225327447 has 2 divisors, whose sum is σ = 1225327448. Its totient is φ = 1225327446.

The previous prime is 1225327417. The next prime is 1225327451. The reversal of 1225327447 is 7447235221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225327447 - 2⁷ = 1225327319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225327417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612663723 + 612663724.

It is an arithmetic number, because the mean of its divisors is an integer number (612663724).

Almost surely, 2^1225327447 is an apocalyptic number.

1225327447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225327447 is an equidigital number, since it uses as much as digits as its factorization.

1225327447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 37.

The square root of 1225327447 is about 35004.6775017283. The cubic root of 1225327447 is about 1070.0828092664.

The spelling of 1225327447 in words is "one billion, two hundred twenty-five million, three hundred twenty-seven thousand, four hundred forty-seven".