1230109247 has 2 divisors, whose sum is σ = 1230109248. Its totient is φ = 1230109246.

The previous prime is 1230109187. The next prime is 1230109291. The reversal of 1230109247 is 7429010321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230109247 - 2⁸ = 1230108991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230109547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615054623 + 615054624.

It is an arithmetic number, because the mean of its divisors is an integer number (615054624).

Almost surely, 2^1230109247 is an apocalyptic number.

1230109247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230109247 is an equidigital number, since it uses as much as digits as its factorization.

1230109247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1230109247 is about 35072.9132950201. The cubic root of 1230109247 is about 1071.4729900916.

Adding to 1230109247 its reverse (7429010321), we get a palindrome (8659119568).

The spelling of 1230109247 in words is "one billion, two hundred thirty million, one hundred nine thousand, two hundred forty-seven".