124132122121 has 4 divisors (see below), whose sum is σ = 141865282432. Its totient is φ = 106398961812.

The previous prime is 124132122097. The next prime is 124132122131. The reversal of 124132122121 is 121221231421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121221231421 = 72679 ⋅1667899.

It is a cyclic number.

It is not a de Polignac number, because 124132122121 - 2²¹ = 124130024969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124132122092 and 124132122101.

It is not an unprimeable number, because it can be changed into a prime (124132122131) 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, 8866580145 + ... + 8866580158.

It is an arithmetic number, because the mean of its divisors is an integer number (35466320608).

Almost surely, 2^124132122121 is an apocalyptic number.

It is an amenable number.

124132122121 is a deficient number, since it is larger than the sum of its proper divisors (17733160311).

124132122121 is an equidigital number, since it uses as much as digits as its factorization.

124132122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17733160310.

The product of its digits is 384, while the sum is 22.

Adding to 124132122121 its reverse (121221231421), we get a palindrome (245353353542).

The spelling of 124132122121 in words is "one hundred twenty-four billion, one hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty-one".