5123210904 has 128 divisors (see below), whose sum is σ = 16531084800. Its totient is φ = 1439752320.

The previous prime is 5123210893. The next prime is 5123210929. The reversal of 5123210904 is 4090123215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64459 + ... + 120005.

It is an arithmetic number, because the mean of its divisors is an integer number (129149100).

Almost surely, 2^5123210904 is an apocalyptic number.

5123210904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5123210904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8265542400).

5123210904 is an abundant number, since it is smaller than the sum of its proper divisors (11407873896).

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

5123210904 is a wasteful number, since it uses less digits than its factorization.

5123210904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55630 (or 55620 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5123210904 is about 71576.6086371798. The cubic root of 5123210904 is about 1723.9079727220.

The spelling of 5123210904 in words is "five billion, one hundred twenty-three million, two hundred ten thousand, nine hundred four".