681122 has 32 divisors (see below), whose sum is σ = 1233792. Its totient is φ = 278784.

The previous prime is 681113. The next prime is 681127. The reversal of 681122 is 221186.

681122 is a modest number, since divided by 1122 gives 68 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 681094 and 681103.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 681122.

It is not an unprimeable number, because it can be changed into a prime (681127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10133 + ... + 10199.

It is an arithmetic number, because the mean of its divisors is an integer number (38556).

2⁶⁸¹¹²² is an apocalyptic number.

681122 is a deficient number, since it is larger than the sum of its proper divisors (552670).

681122 is a wasteful number, since it uses less digits than its factorization.

681122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122.

The product of its digits is 192, while the sum is 20.

The square root of 681122 is about 825.3011571542. The cubic root of 681122 is about 87.9849319931.

The spelling of 681122 in words is "six hundred eighty-one thousand, one hundred twenty-two".