120004487 has 2 divisors, whose sum is σ = 120004488. Its totient is φ = 120004486.

The previous prime is 120004483. The next prime is 120004517. The reversal of 120004487 is 784400021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120004487 - 2² = 120004483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120004483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60002243 + 60002244.

It is an arithmetic number, because the mean of its divisors is an integer number (60002244).

Almost surely, 2^120004487 is an apocalyptic number.

120004487 is a deficient number, since it is larger than the sum of its proper divisors (1).

120004487 is an equidigital number, since it uses as much as digits as its factorization.

120004487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 120004487 is about 10954.6559507818. The cubic root of 120004487 is about 493.2485625081.

The spelling of 120004487 in words is "one hundred twenty million, four thousand, four hundred eighty-seven".