123020121119 has 8 divisors (see below), whose sum is σ = 144023556768. Its totient is φ = 102873968640.

The previous prime is 123020121079. The next prime is 123020121127. The reversal of 123020121119 is 911121020321.

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-123020121119 is a prime.

It is a super-2 number, since 2×123020121119² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123020121094 and 123020121103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020129119) 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, 214320482 + ... + 214321055.

It is an arithmetic number, because the mean of its divisors is an integer number (18002944596).

Almost surely, 2^123020121119 is an apocalyptic number.

123020121119 is a deficient number, since it is larger than the sum of its proper divisors (21003435649).

123020121119 is an equidigital number, since it uses as much as digits as its factorization.

123020121119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428641585.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 123020121119 in words is "one hundred twenty-three billion, twenty million, one hundred twenty-one thousand, one hundred nineteen".