130142123 has 16 divisors (see below), whose sum is σ = 145575936. Its totient is φ = 115758720.

The previous prime is 130142093. The next prime is 130142161. The reversal of 130142123 is 321241031.

It is a cyclic number.

It is not a de Polignac number, because 130142123 - 2¹² = 130138027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130142183) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19790 + ... + 25532.

It is an arithmetic number, because the mean of its divisors is an integer number (9098496).

Almost surely, 2^130142123 is an apocalyptic number.

130142123 is a deficient number, since it is larger than the sum of its proper divisors (15433813).

130142123 is a wasteful number, since it uses less digits than its factorization.

130142123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130142123 is about 11407.9850543380. The cubic root of 130142123 is about 506.7642414127.

Adding to 130142123 its reverse (321241031), we get a palindrome (451383154).

The spelling of 130142123 in words is "one hundred thirty million, one hundred forty-two thousand, one hundred twenty-three".