130521142123 has 8 divisors (see below), whose sum is σ = 133903194768. Its totient is φ = 127182173184.

The previous prime is 130521142093. The next prime is 130521142133. The reversal of 130521142123 is 321241125031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130521142123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130521142133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10764790 + ... + 10776907.

It is an arithmetic number, because the mean of its divisors is an integer number (16737899346).

Almost surely, 2^130521142123 is an apocalyptic number.

130521142123 is a deficient number, since it is larger than the sum of its proper divisors (3382052645).

130521142123 is an equidigital number, since it uses as much as digits as its factorization.

130521142123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21541853.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 130521142123 its reverse (321241125031), we get a palindrome (451762267154).

The spelling of 130521142123 in words is "one hundred thirty billion, five hundred twenty-one million, one hundred forty-two thousand, one hundred twenty-three".