120520487 has 2 divisors, whose sum is σ = 120520488. Its totient is φ = 120520486.

The previous prime is 120520469. The next prime is 120520523. The reversal of 120520487 is 784025021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120520487 - 2⁶ = 120520423 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 (120520087) 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, 60260243 + 60260244.

It is an arithmetic number, because the mean of its divisors is an integer number (60260244).

Almost surely, 2^120520487 is an apocalyptic number.

120520487 is a deficient number, since it is larger than the sum of its proper divisors (1).

120520487 is an equidigital number, since it uses as much as digits as its factorization.

120520487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 120520487 is about 10978.1823176699. The cubic root of 120520487 is about 493.9545148175.

The spelling of 120520487 in words is "one hundred twenty million, five hundred twenty thousand, four hundred eighty-seven".