124581351121 has 4 divisors (see below), whose sum is σ = 124613942272. Its totient is φ = 124548759972.

The previous prime is 124581351119. The next prime is 124581351133. The reversal of 124581351121 is 121153185421.

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 124581351121 - 2¹ = 124581351119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124521351121) 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, 16289841 + ... + 16297486.

It is an arithmetic number, because the mean of its divisors is an integer number (31153485568).

Almost surely, 2^124581351121 is an apocalyptic number.

It is an amenable number.

124581351121 is a deficient number, since it is larger than the sum of its proper divisors (32591151).

124581351121 is an equidigital number, since it uses as much as digits as its factorization.

124581351121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32591150.

The product of its digits is 9600, while the sum is 34.

The spelling of 124581351121 in words is "one hundred twenty-four billion, five hundred eighty-one million, three hundred fifty-one thousand, one hundred twenty-one".