123422121124 has 24 divisors (see below), whose sum is σ = 231826733208. Its totient is φ = 57285365760.

The previous prime is 123422121091. The next prime is 123422121187. The reversal of 123422121124 is 421121224321.

It can be written as a sum of positive squares in 4 ways, for example, as 21252391524 + 102169729600 = 145782^2 + 319640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12426757 + ... + 12436684.

It is an arithmetic number, because the mean of its divisors is an integer number (9659447217).

Almost surely, 2^123422121124 is an apocalyptic number.

It is an amenable number.

123422121124 is a deficient number, since it is larger than the sum of its proper divisors (108404612084).

123422121124 is a wasteful number, since it uses less digits than its factorization.

123422121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24863535 (or 24863533 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 123422121124 its reverse (421121224321), we get a palindrome (544543345445).

The spelling of 123422121124 in words is "one hundred twenty-three billion, four hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-four".