124330042123321 has 8 divisors (see below), whose sum is σ = 125078054678280. Its totient is φ = 123583210332288.

The previous prime is 124330042123247. The next prime is 124330042123327. The reversal of 124330042123321 is 123321240033421.

It can be written as a sum of positive squares in 4 ways, for example, as 82191703249296 + 42138338874025 = 9065964^2 + 6491405^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 124330042123321 - 2¹¹ = 124330042121273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124330042123327) 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, 294979756 + ... + 295400941.

It is an arithmetic number, because the mean of its divisors is an integer number (15634756834785).

Almost surely, 2^{124330042123321} is an apocalyptic number.

It is an amenable number.

124330042123321 is a deficient number, since it is larger than the sum of its proper divisors (748012554959).

124330042123321 is a wasteful number, since it uses less digits than its factorization.

124330042123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590381963.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 124330042123321 its reverse (123321240033421), we get a palindrome (247651282156742).

The spelling of 124330042123321 in words is "one hundred twenty-four trillion, three hundred thirty billion, forty-two million, one hundred twenty-three thousand, three hundred twenty-one".