124326320504621 has 4 divisors (see below), whose sum is σ = 128336846972544. Its totient is φ = 120315794036700.

The previous prime is 124326320504543. The next prime is 124326320504623. The reversal of 124326320504621 is 126405023623421.

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 124326320504621 - 2¹⁰ = 124326320503597 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 (124326320504623) 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, 2005263233915 + ... + 2005263233976.

It is an arithmetic number, because the mean of its divisors is an integer number (32084211743136).

Almost surely, 2^{124326320504621} is an apocalyptic number.

It is an amenable number.

124326320504621 is a deficient number, since it is larger than the sum of its proper divisors (4010526467923).

124326320504621 is an equidigital number, since it uses as much as digits as its factorization.

124326320504621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010526467922.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 124326320504621 in words is "one hundred twenty-four trillion, three hundred twenty-six billion, three hundred twenty million, five hundred four thousand, six hundred twenty-one".