123122121301 has 4 divisors (see below), whose sum is σ = 123125098432. Its totient is φ = 123119144172.

The previous prime is 123122121259. The next prime is 123122121313. The reversal of 123122121301 is 103121221321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123122121301 - 2⁹ = 123122120789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222121301) 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, 1425645 + ... + 1509538.

It is an arithmetic number, because the mean of its divisors is an integer number (30781274608).

Almost surely, 2^123122121301 is an apocalyptic number.

It is an amenable number.

123122121301 is a deficient number, since it is larger than the sum of its proper divisors (2977131).

123122121301 is an equidigital number, since it uses as much as digits as its factorization.

123122121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977130.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123122121301 its reverse (103121221321), we get a palindrome (226243342622).

The spelling of 123122121301 in words is "one hundred twenty-three billion, one hundred twenty-two million, one hundred twenty-one thousand, three hundred one".