681052127 has 12 divisors (see below), whose sum is σ = 802277280. Its totient is φ = 576366336.

The previous prime is 681052091. The next prime is 681052157. The reversal of 681052127 is 721250186.

681052127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 681052127 - 2⁶ = 681052063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 681052093 and 681052102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681052157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84098 + ... + 91839.

It is an arithmetic number, because the mean of its divisors is an integer number (66856440).

Almost surely, 2^681052127 is an apocalyptic number.

681052127 is a deficient number, since it is larger than the sum of its proper divisors (121225153).

681052127 is a wasteful number, since it uses less digits than its factorization.

681052127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176030 (or 176023 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 681052127 is about 26096.9754377782. The cubic root of 681052127 is about 879.8192324117.

The spelling of 681052127 in words is "six hundred eighty-one million, fifty-two thousand, one hundred twenty-seven".