130120605 has 12 divisors (see below), whose sum is σ = 225542460. Its totient is φ = 69397632.

The previous prime is 130120579. The next prime is 130120619. The reversal of 130120605 is 506021031.

It can be written as a sum of positive squares in 2 ways, for example, as 86322681 + 43797924 = 9291^2 + 6618^2 .

It is not a de Polignac number, because 130120605 - 2⁹ = 130120093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1445740 + ... + 1445829.

It is an arithmetic number, because the mean of its divisors is an integer number (18795205).

Almost surely, 2^130120605 is an apocalyptic number.

130120605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130120605 is a deficient number, since it is larger than the sum of its proper divisors (95421855).

130120605 is a wasteful number, since it uses less digits than its factorization.

130120605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891580 (or 2891577 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 130120605 is about 11407.0419040170. The cubic root of 130120605 is about 506.7363100155.

Adding to 130120605 its reverse (506021031), we get a palindrome (636141636).

The spelling of 130120605 in words is "one hundred thirty million, one hundred twenty thousand, six hundred five".