1232606009 has 2 divisors, whose sum is σ = 1232606010. Its totient is φ = 1232606008.

The previous prime is 1232605987. The next prime is 1232606033. The reversal of 1232606009 is 9006062321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1062564409 + 170041600 = 32597^2 + 13040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232606009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232606059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616303004 + 616303005.

It is an arithmetic number, because the mean of its divisors is an integer number (616303005).

Almost surely, 2^1232606009 is an apocalyptic number.

It is an amenable number.

1232606009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232606009 is an equidigital number, since it uses as much as digits as its factorization.

1232606009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1232606009 is about 35108.4891301235. The cubic root of 1232606009 is about 1072.1974257799.

The spelling of 1232606009 in words is "one billion, two hundred thirty-two million, six hundred six thousand, nine".