123101121301 has 4 divisors (see below), whose sum is σ = 123166847212. Its totient is φ = 123035395392.

The previous prime is 123101121287. The next prime is 123101121329. The reversal of 123101121301 is 103121101321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 898440676 + 122202680625 = 29974^2 + 349575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123101121301 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 (123101121331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32860146 + ... + 32863891.

It is an arithmetic number, because the mean of its divisors is an integer number (30791711803).

Almost surely, 2^123101121301 is an apocalyptic number.

It is an amenable number.

123101121301 is a deficient number, since it is larger than the sum of its proper divisors (65725911).

123101121301 is an equidigital number, since it uses as much as digits as its factorization.

123101121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65725910.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 123101121301 its reverse (103121101321), we get a palindrome (226222222622).

The spelling of 123101121301 in words is "one hundred twenty-three billion, one hundred one million, one hundred twenty-one thousand, three hundred one".