1205474797 has 2 divisors, whose sum is σ = 1205474798. Its totient is φ = 1205474796.

The previous prime is 1205474791. The next prime is 1205474801. The reversal of 1205474797 is 7974745021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1145551716 + 59923081 = 33846^2 + 7741^2 .

It is an emirp because it is prime and its reverse (7974745021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1205474797 - 2³ = 1205474789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205474791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602737398 + 602737399.

It is an arithmetic number, because the mean of its divisors is an integer number (602737399).

Almost surely, 2^1205474797 is an apocalyptic number.

It is an amenable number.

1205474797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205474797 is an equidigital number, since it uses as much as digits as its factorization.

1205474797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 1205474797 is about 34719.9481134405. The cubic root of 1205474797 is about 1064.2721843679.

The spelling of 1205474797 in words is "one billion, two hundred five million, four hundred seventy-four thousand, seven hundred ninety-seven".