1232740307 has 2 divisors, whose sum is σ = 1232740308. Its totient is φ = 1232740306.

The previous prime is 1232740283. The next prime is 1232740309. The reversal of 1232740307 is 7030472321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232740307 - 2¹⁶ = 1232674771 is a prime.

Together with 1232740309, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232740307.

It is not a weakly prime, because it can be changed into another prime (1232740309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616370153 + 616370154.

It is an arithmetic number, because the mean of its divisors is an integer number (616370154).

Almost surely, 2^1232740307 is an apocalyptic number.

1232740307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232740307 is an equidigital number, since it uses as much as digits as its factorization.

1232740307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1232740307 is about 35110.4016923760. The cubic root of 1232740307 is about 1072.2363646189.

The spelling of 1232740307 in words is "one billion, two hundred thirty-two million, seven hundred forty thousand, three hundred seven".