123601271219 has 4 divisors (see below), whose sum is σ = 123601975896. Its totient is φ = 123600566544.

The previous prime is 123601271161. The next prime is 123601271249. The reversal of 123601271219 is 912172106321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 123601271219 - 2¹⁶ = 123601205683 is a prime.

It is a super-2 number, since 2×123601271219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123601271249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141287 + ... + 516879.

It is an arithmetic number, because the mean of its divisors is an integer number (30900493974).

Almost surely, 2^123601271219 is an apocalyptic number.

123601271219 is a deficient number, since it is larger than the sum of its proper divisors (704677).

123601271219 is an equidigital number, since it uses as much as digits as its factorization.

123601271219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704676.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 123601271219 in words is "one hundred twenty-three billion, six hundred one million, two hundred seventy-one thousand, two hundred nineteen".