130001123 has 8 divisors (see below), whose sum is σ = 148642560. Its totient is φ = 111377160.

The previous prime is 130001117. The next prime is 130001149. The reversal of 130001123 is 321100031.

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 130001123 - 2¹⁰ = 130000099 is a prime.

It is a super-2 number, since 2×130001123² = 33800583962522258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130001423) 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, 23168 + ... + 28226.

It is an arithmetic number, because the mean of its divisors is an integer number (18580320).

Almost surely, 2^130001123 is an apocalyptic number.

130001123 is a deficient number, since it is larger than the sum of its proper divisors (18641437).

130001123 is an equidigital number, since it uses as much as digits as its factorization.

130001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 130001123 is about 11401.8034976928. The cubic root of 130001123 is about 506.5811605956.

Adding to 130001123 its reverse (321100031), we get a palindrome (451101154).

The spelling of 130001123 in words is "one hundred thirty million, one thousand, one hundred twenty-three".