1197312307 has 2 divisors, whose sum is σ = 1197312308. Its totient is φ = 1197312306.

The previous prime is 1197312289. The next prime is 1197312373. The reversal of 1197312307 is 7032137911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1197312307 - 2¹⁵ = 1197279539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1197312377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598656153 + 598656154.

It is an arithmetic number, because the mean of its divisors is an integer number (598656154).

Almost surely, 2^1197312307 is an apocalyptic number.

1197312307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197312307 is an equidigital number, since it uses as much as digits as its factorization.

1197312307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 1197312307 is about 34602.2008982088. The cubic root of 1197312307 is about 1061.8646150254.

The spelling of 1197312307 in words is "one billion, one hundred ninety-seven million, three hundred twelve thousand, three hundred seven".