1196391457 has 2 divisors, whose sum is σ = 1196391458. Its totient is φ = 1196391456.

The previous prime is 1196391403. The next prime is 1196391461. The reversal of 1196391457 is 7541936911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114958881 + 81432576 = 33391^2 + 9024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196391457 - 2¹⁵ = 1196358689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1196391257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598195728 + 598195729.

It is an arithmetic number, because the mean of its divisors is an integer number (598195729).

Almost surely, 2^1196391457 is an apocalyptic number.

It is an amenable number.

1196391457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196391457 is an equidigital number, since it uses as much as digits as its factorization.

1196391457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 1196391457 is about 34588.8921042580. The cubic root of 1196391457 is about 1061.5923193702.

The spelling of 1196391457 in words is "one billion, one hundred ninety-six million, three hundred ninety-one thousand, four hundred fifty-seven".