123020104 has 16 divisors (see below), whose sum is σ = 230831100. Its totient is φ = 61465152.

The previous prime is 123020101. The next prime is 123020113. The reversal of 123020104 is 401020321.

It can be written as a sum of positive squares in 2 ways, for example, as 119028100 + 3992004 = 10910^2 + 1998^2 .

It is not an unprimeable number, because it can be changed into a prime (123020101) 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, 7962 + ... + 17590.

Almost surely, 2^123020104 is an apocalyptic number.

It is an amenable number.

123020104 is a deficient number, since it is larger than the sum of its proper divisors (107810996).

123020104 is a wasteful number, since it uses less digits than its factorization.

123020104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11232 (or 11228 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 123020104 is about 11091.4428276938. The cubic root of 123020104 is about 497.3460769750.

Adding to 123020104 its reverse (401020321), we get a palindrome (524040425).

The spelling of 123020104 in words is "one hundred twenty-three million, twenty thousand, one hundred four".