123001122504 has 32 divisors (see below), whose sum is σ = 331156869120. Its totient is φ = 37846499136.

The previous prime is 123001122481. The next prime is 123001122509. The reversal of 123001122504 is 405221100321.

It is a super-2 number, since 2×123001122504² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123001122509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197116872 + ... + 197117495.

It is an arithmetic number, because the mean of its divisors is an integer number (10348652160).

Almost surely, 2^123001122504 is an apocalyptic number.

It is an amenable number.

123001122504 is an abundant number, since it is smaller than the sum of its proper divisors (208155746616).

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

123001122504 is a wasteful number, since it uses less digits than its factorization.

123001122504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394234389 (or 394234385 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 123001122504 its reverse (405221100321), we get a palindrome (528222222825).

The spelling of 123001122504 in words is "one hundred twenty-three billion, one million, one hundred twenty-two thousand, five hundred four".