1230984847 has 2 divisors, whose sum is σ = 1230984848. Its totient is φ = 1230984846.

The previous prime is 1230984829. The next prime is 1230984871. The reversal of 1230984847 is 7484890321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230984847 - 2¹¹ = 1230982799 is a prime.

It is a super-2 number, since 2×1230984847² = 3030647387087226818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230984797 and 1230984806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230984047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615492423 + 615492424.

It is an arithmetic number, because the mean of its divisors is an integer number (615492424).

Almost surely, 2^1230984847 is an apocalyptic number.

1230984847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230984847 is an equidigital number, since it uses as much as digits as its factorization.

1230984847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 1230984847 is about 35085.3936417991. The cubic root of 1230984847 is about 1071.7271570119.

The spelling of 1230984847 in words is "one billion, two hundred thirty million, nine hundred eighty-four thousand, eight hundred forty-seven".