1230071147 has 2 divisors, whose sum is σ = 1230071148. Its totient is φ = 1230071146.

The previous prime is 1230071123. The next prime is 1230071177. The reversal of 1230071147 is 7411700321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230071147 - 2²⁴ = 1213293931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230071107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615035573 + 615035574.

It is an arithmetic number, because the mean of its divisors is an integer number (615035574).

Almost surely, 2^1230071147 is an apocalyptic number.

1230071147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230071147 is an equidigital number, since it uses as much as digits as its factorization.

1230071147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1230071147 is about 35072.3701366189. The cubic root of 1230071147 is about 1071.4619277835.

Adding to 1230071147 its reverse (7411700321), we get a palindrome (8641771468).

The spelling of 1230071147 in words is "one billion, two hundred thirty million, seventy-one thousand, one hundred forty-seven".