1235200397 has 2 divisors, whose sum is σ = 1235200398. Its totient is φ = 1235200396.

The previous prime is 1235200319. The next prime is 1235200423. The reversal of 1235200397 is 7930025321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863713321 + 371487076 = 29389^2 + 19274^2 .

It is a cyclic number.

It is not a de Polignac number, because 1235200397 - 2¹⁰ = 1235199373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1235200097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617600198 + 617600199.

It is an arithmetic number, because the mean of its divisors is an integer number (617600199).

Almost surely, 2^1235200397 is an apocalyptic number.

It is an amenable number.

1235200397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235200397 is an equidigital number, since it uses as much as digits as its factorization.

1235200397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1235200397 is about 35145.4178663450. The cubic root of 1235200397 is about 1072.9491520024.

The spelling of 1235200397 in words is "one billion, two hundred thirty-five million, two hundred thousand, three hundred ninety-seven".