124121131123 has 16 divisors (see below), whose sum is σ = 136168416000. Its totient is φ = 112201800480.

The previous prime is 124121131081. The next prime is 124121131129. The reversal of 124121131123 is 321131121421.

It is not a de Polignac number, because 124121131123 - 2²¹ = 124119033971 is a prime.

It is a super-2 number, since 2×124121131123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124121131094 and 124121131103.

It is not an unprimeable number, because it can be changed into a prime (124121131129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3755193 + ... + 3788101.

It is an arithmetic number, because the mean of its divisors is an integer number (8510526000).

Almost surely, 2^124121131123 is an apocalyptic number.

124121131123 is a deficient number, since it is larger than the sum of its proper divisors (12047284877).

124121131123 is a wasteful number, since it uses less digits than its factorization.

124121131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34842.

The product of its digits is 288, while the sum is 22.

Adding to 124121131123 its reverse (321131121421), we get a palindrome (445252252544).

The spelling of 124121131123 in words is "one hundred twenty-four billion, one hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty-three".