123104502 has 32 divisors (see below), whose sum is σ = 274181760. Its totient is φ = 40942440.

The previous prime is 123104489. The next prime is 123104537. The reversal of 123104502 is 205401321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24193 + ... + 28835.

It is an arithmetic number, because the mean of its divisors is an integer number (8568180).

Almost surely, 2^123104502 is an apocalyptic number.

123104502 is an abundant number, since it is smaller than the sum of its proper divisors (151077258).

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

123104502 is a wasteful number, since it uses less digits than its factorization.

123104502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 123104502 is about 11095.2468201478. The cubic root of 123104502 is about 497.4597858120.

Adding to 123104502 its reverse (205401321), we get a palindrome (328505823).

The spelling of 123104502 in words is "one hundred twenty-three million, one hundred four thousand, five hundred two".