130521201123 has 8 divisors (see below), whose sum is σ = 174051654336. Its totient is φ = 87002441000.

The previous prime is 130521201103. The next prime is 130521201127. The reversal of 130521201123 is 321102125031.

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

It is a cyclic number.

It is not a de Polignac number, because 130521201123 - 2⁵ = 130521201091 is a prime.

It is a super-2 number, since 2×130521201123² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130521201123.

It is not an unprimeable number, because it can be changed into a prime (130521201127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2897193 + ... + 2941898.

It is an arithmetic number, because the mean of its divisors is an integer number (21756456792).

Almost surely, 2^130521201123 is an apocalyptic number.

130521201123 is a deficient number, since it is larger than the sum of its proper divisors (43530453213).

130521201123 is an equidigital number, since it uses as much as digits as its factorization.

130521201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846545.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 130521201123 its reverse (321102125031), we get a palindrome (451623326154).

The spelling of 130521201123 in words is "one hundred thirty billion, five hundred twenty-one million, two hundred one thousand, one hundred twenty-three".