1680127051 has 8 divisors (see below), whose sum is σ = 1782462240. Its totient is φ = 1578181248.

The previous prime is 1680127013. The next prime is 1680127063. The reversal of 1680127051 is 1507210861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1680127051 - 2¹³ = 1680118859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1680127081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88431 + ... + 105736.

It is an arithmetic number, because the mean of its divisors is an integer number (222807780).

Almost surely, 2^1680127051 is an apocalyptic number.

1680127051 is a deficient number, since it is larger than the sum of its proper divisors (102335189).

1680127051 is a wasteful number, since it uses less digits than its factorization.

1680127051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194693.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1680127051 is about 40989.3528980393. The cubic root of 1680127051 is about 1188.8143573063.

The spelling of 1680127051 in words is "one billion, six hundred eighty million, one hundred twenty-seven thousand, fifty-one".