124321114132521 has 16 divisors (see below), whose sum is σ = 166333989756480. Its totient is φ = 82594513644480.

The previous prime is 124321114132513. The next prime is 124321114132541. The reversal of 124321114132521 is 125231411123421.

It is a happy number.

It is not a de Polignac number, because 124321114132521 - 2³ = 124321114132513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124321114132511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18839295 + ... + 24567483.

It is an arithmetic number, because the mean of its divisors is an integer number (10395874359780).

Almost surely, 2^{124321114132521} is an apocalyptic number.

It is an amenable number.

124321114132521 is a deficient number, since it is larger than the sum of its proper divisors (42012875623959).

124321114132521 is a wasteful number, since it uses less digits than its factorization.

124321114132521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753176.

The product of its digits is 11520, while the sum is 33.

Adding to 124321114132521 its reverse (125231411123421), we get a palindrome (249552525255942).

The spelling of 124321114132521 in words is "one hundred twenty-four trillion, three hundred twenty-one billion, one hundred fourteen million, one hundred thirty-two thousand, five hundred twenty-one".