120830687 has 2 divisors, whose sum is σ = 120830688. Its totient is φ = 120830686.

The previous prime is 120830683. The next prime is 120830693. The reversal of 120830687 is 786038021.

It is a weak prime.

It is an emirp because it is prime and its reverse (786038021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120830687 - 2² = 120830683 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120830683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60415343 + 60415344.

It is an arithmetic number, because the mean of its divisors is an integer number (60415344).

Almost surely, 2^120830687 is an apocalyptic number.

120830687 is a deficient number, since it is larger than the sum of its proper divisors (1).

120830687 is an equidigital number, since it uses as much as digits as its factorization.

120830687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 120830687 is about 10992.3012604277. The cubic root of 120830687 is about 494.3779377655.

The spelling of 120830687 in words is "one hundred twenty million, eight hundred thirty thousand, six hundred eighty-seven".