1230173207 has 2 divisors, whose sum is σ = 1230173208. Its totient is φ = 1230173206.

The previous prime is 1230173179. The next prime is 1230173309. The reversal of 1230173207 is 7023710321.

It is a weak prime.

It is an emirp because it is prime and its reverse (7023710321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230173207 - 2²² = 1225978903 is a prime.

It is a super-2 number, since 2×1230173207² = 3026652238441329698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230173507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615086603 + 615086604.

It is an arithmetic number, because the mean of its divisors is an integer number (615086604).

Almost surely, 2^1230173207 is an apocalyptic number.

1230173207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230173207 is an equidigital number, since it uses as much as digits as its factorization.

1230173207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1230173207 is about 35073.8250979274. The cubic root of 1230173207 is about 1071.4915603188.

Adding to 1230173207 its reverse (7023710321), we get a palindrome (8253883528).

The spelling of 1230173207 in words is "one billion, two hundred thirty million, one hundred seventy-three thousand, two hundred seven".