123042504130 has 256 divisors, whose sum is σ = 298490572800. Its totient is φ = 35419991040.

The previous prime is 123042504121. The next prime is 123042504131. The reversal of 123042504130 is 31405240321.

It is a junction number, because it is equal to n+sod(n) for n = 123042504095 and 123042504104.

It is not an unprimeable number, because it can be changed into a prime (123042504131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 105796929 + ... + 105798091.

It is an arithmetic number, because the mean of its divisors is an integer number (1165978800).

Almost surely, 2^123042504130 is an apocalyptic number.

123042504130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123042504130 is an abundant number, since it is smaller than the sum of its proper divisors (175448068670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123042504130 is a wasteful number, since it uses less digits than its factorization.

123042504130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 123042504130 its reverse (31405240321), we get a palindrome (154447744451).

The spelling of 123042504130 in words is "one hundred twenty-three billion, forty-two million, five hundred four thousand, one hundred thirty".