681148 has 12 divisors (see below), whose sum is σ = 1283800. Its totient is φ = 314352.

The previous prime is 681137. The next prime is 681151. The reversal of 681148 is 841186.

681148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6498 + ... + 6601.

2⁶⁸¹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

681148 is a deficient number, since it is larger than the sum of its proper divisors (602652).

681148 is a wasteful number, since it uses less digits than its factorization.

681148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13116 (or 13114 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 681148 is about 825.3169088296. The cubic root of 681148 is about 87.9860515082.

It can be divided in two parts, 6811 and 48, that added together give a cube (6859 = 19³).

The spelling of 681148 in words is "six hundred eighty-one thousand, one hundred forty-eight".