1235134487 has 2 divisors, whose sum is σ = 1235134488. Its totient is φ = 1235134486.

The previous prime is 1235134441. The next prime is 1235134529. The reversal of 1235134487 is 7844315321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1235134487 - 2⁶ = 1235134423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1235134487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1235124487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617567243 + 617567244.

It is an arithmetic number, because the mean of its divisors is an integer number (617567244).

Almost surely, 2^1235134487 is an apocalyptic number.

1235134487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235134487 is an equidigital number, since it uses as much as digits as its factorization.

1235134487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 1235134487 is about 35144.4801782584. The cubic root of 1235134487 is about 1072.9300675589.

The spelling of 1235134487 in words is "one billion, two hundred thirty-five million, one hundred thirty-four thousand, four hundred eighty-seven".