1229086487 has 2 divisors, whose sum is σ = 1229086488. Its totient is φ = 1229086486.

The previous prime is 1229086471. The next prime is 1229086531. The reversal of 1229086487 is 7846809221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1229086487 - 2⁴ = 1229086471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1229086447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614543243 + 614543244.

It is an arithmetic number, because the mean of its divisors is an integer number (614543244).

Almost surely, 2^1229086487 is an apocalyptic number.

1229086487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229086487 is an equidigital number, since it uses as much as digits as its factorization.

1229086487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1229086487 is about 35058.3297805243. The cubic root of 1229086487 is about 1071.1759531762.

The spelling of 1229086487 in words is "one billion, two hundred twenty-nine million, eighty-six thousand, four hundred eighty-seven".