120130505 has 32 divisors (see below), whose sum is σ = 160963200. Its totient is φ = 85342720.

The previous prime is 120130471. The next prime is 120130567. The reversal of 120130505 is 505031021.

It is not a de Polignac number, because 120130505 - 2⁸ = 120130249 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 806171 + ... + 806319.

It is an arithmetic number, because the mean of its divisors is an integer number (5030100).

Almost surely, 2^120130505 is an apocalyptic number.

It is an amenable number.

120130505 is a deficient number, since it is larger than the sum of its proper divisors (40832695).

120130505 is a wasteful number, since it uses less digits than its factorization.

120130505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 120130505 is about 10960.4062424711. The cubic root of 120130505 is about 493.4211573111.

Adding to 120130505 its reverse (505031021), we get a palindrome (625161526).

The spelling of 120130505 in words is "one hundred twenty million, one hundred thirty thousand, five hundred five".