1208830687 has 2 divisors, whose sum is σ = 1208830688. Its totient is φ = 1208830686.

The previous prime is 1208830661. The next prime is 1208830697. The reversal of 1208830687 is 7860388021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1208830687 - 2²³ = 1200442079 is a prime.

It is a super-2 number, since 2×1208830687² = 2922543259665783938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1208830607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604415343 + 604415344.

It is an arithmetic number, because the mean of its divisors is an integer number (604415344).

Almost surely, 2^1208830687 is an apocalyptic number.

1208830687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208830687 is an equidigital number, since it uses as much as digits as its factorization.

1208830687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1208830687 is about 34768.2425066324. The cubic root of 1208830687 is about 1065.2588692353.

The spelling of 1208830687 in words is "one billion, two hundred eight million, eight hundred thirty thousand, six hundred eighty-seven".