130221123 has 8 divisors (see below), whose sum is σ = 176006928. Its totient is φ = 85624704.

The previous prime is 130221121. The next prime is 130221187. The reversal of 130221123 is 321122031.

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

It is not a de Polignac number, because 130221123 - 2¹ = 130221121 is a prime.

It is a super-2 number, since 2×130221123² = 33915081750762258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297090 + ... + 297527.

It is an arithmetic number, because the mean of its divisors is an integer number (22000866).

Almost surely, 2^130221123 is an apocalyptic number.

130221123 is a deficient number, since it is larger than the sum of its proper divisors (45785805).

130221123 is an equidigital number, since it uses as much as digits as its factorization.

130221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594693.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130221123 is about 11411.4470160449. The cubic root of 130221123 is about 506.8667608128.

Adding to 130221123 its reverse (321122031), we get a palindrome (451343154).

The spelling of 130221123 in words is "one hundred thirty million, two hundred twenty-one thousand, one hundred twenty-three".