107904789124729 has 3 divisors (see below), whose sum is σ = 107904799512453. Its totient is φ = 107904778737006.

The previous prime is 107904789124721. The next prime is 107904789124747. The reversal of 107904789124729 is 927421987409701.

It is a happy number.

The square root of 107904789124729 is 10387723.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 107904789124729 - 2³ = 107904789124721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107904789124721) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 5193862 + ... + 15581584.

It is an arithmetic number, because the mean of its divisors is an integer number (35968266504151).

Almost surely, 2^{107904789124729} is an apocalyptic number.

107904789124729 is the 10387723-rd square number.

107904789124729 is the 5193862-nd centered octagonal number.

It is an amenable number.

107904789124729 is a deficient number, since it is larger than the sum of its proper divisors (10387724).

107904789124729 is an frugal number, since it uses more digits than its factorization.

107904789124729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775446 (or 10387723 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 70.

The spelling of 107904789124729 in words is "one hundred seven trillion, nine hundred four billion, seven hundred eighty-nine million, one hundred twenty-four thousand, seven hundred twenty-nine".