1230000047 has 2 divisors, whose sum is σ = 1230000048. Its totient is φ = 1230000046.

The previous prime is 1229999999. The next prime is 1230000067. The reversal of 1230000047 is 7400000321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230000047 - 2⁶ = 1229999983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230000067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615000023 + 615000024.

It is an arithmetic number, because the mean of its divisors is an integer number (615000024).

Almost surely, 2^1230000047 is an apocalyptic number.

1230000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230000047 is an equidigital number, since it uses as much as digits as its factorization.

1230000047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1230000047 is about 35071.3565035628. The cubic root of 1230000047 is about 1071.4412833379.

Adding to 1230000047 its reverse (7400000321), we get a palindrome (8630000368).

The spelling of 1230000047 in words is "one billion, two hundred thirty million, forty-seven", and thus it is an aban number.