1235340307 has 2 divisors, whose sum is σ = 1235340308. Its totient is φ = 1235340306.

The previous prime is 1235340287. The next prime is 1235340319. The reversal of 1235340307 is 7030435321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1235340307 - 2¹⁵ = 1235307539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1235340367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617670153 + 617670154.

It is an arithmetic number, because the mean of its divisors is an integer number (617670154).

Almost surely, 2^1235340307 is an apocalyptic number.

1235340307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235340307 is an equidigital number, since it uses as much as digits as its factorization.

1235340307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 1235340307 is about 35147.4082543792. The cubic root of 1235340307 is about 1072.9896611238.

Adding to 1235340307 its reverse (7030435321), we get a palindrome (8265775628).

The spelling of 1235340307 in words is "one billion, two hundred thirty-five million, three hundred forty thousand, three hundred seven".