120380635187 has 2 divisors, whose sum is σ = 120380635188. Its totient is φ = 120380635186.

The previous prime is 120380635169. The next prime is 120380635189. The reversal of 120380635187 is 781536083021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120380635187 - 2⁸ = 120380634931 is a prime.

Together with 120380635189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120380635189) 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, 60190317593 + 60190317594.

It is an arithmetic number, because the mean of its divisors is an integer number (60190317594).

Almost surely, 2^120380635187 is an apocalyptic number.

120380635187 is a deficient number, since it is larger than the sum of its proper divisors (1).

120380635187 is an equidigital number, since it uses as much as digits as its factorization.

120380635187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 120380635187 in words is "one hundred twenty billion, three hundred eighty million, six hundred thirty-five thousand, one hundred eighty-seven".