120005507 has 2 divisors, whose sum is σ = 120005508. Its totient is φ = 120005506.

The previous prime is 120005489. The next prime is 120005519. The reversal of 120005507 is 705500021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120005507 - 2¹⁰ = 120004483 is a prime.

It is not a weakly prime, because it can be changed into another prime (120005537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60002753 + 60002754.

It is an arithmetic number, because the mean of its divisors is an integer number (60002754).

Almost surely, 2^120005507 is an apocalyptic number.

120005507 is a deficient number, since it is larger than the sum of its proper divisors (1).

120005507 is an equidigital number, since it uses as much as digits as its factorization.

120005507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 120005507 is about 10954.7025062299. The cubic root of 120005507 is about 493.2499599895.

Adding to 120005507 its reverse (705500021), we get a palindrome (825505528).

The spelling of 120005507 in words is "one hundred twenty million, five thousand, five hundred seven".