1680134125 has 32 divisors (see below), whose sum is σ = 2173556736. Its totient is φ = 1295280000.

The previous prime is 1680134119. The next prime is 1680134149. The reversal of 1680134125 is 5214310861.

It is not a de Polignac number, because 1680134125 - 2²⁷ = 1545916397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 1088104 + ... + 1089646.

It is an arithmetic number, because the mean of its divisors is an integer number (67923648).

Almost surely, 2^1680134125 is an apocalyptic number.

It is an amenable number.

1680134125 is a deficient number, since it is larger than the sum of its proper divisors (493422611).

1680134125 is a wasteful number, since it uses less digits than its factorization.

1680134125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1680134125 is about 40989.4391886496. The cubic root of 1680134125 is about 1188.8160257636.

Adding to 1680134125 its reverse (5214310861), we get a palindrome (6894444986).

The spelling of 1680134125 in words is "one billion, six hundred eighty million, one hundred thirty-four thousand, one hundred twenty-five".