1077681 has 24 divisors (see below), whose sum is σ = 1679904. Its totient is φ = 609280.

The previous prime is 1077677. The next prime is 1077691. The reversal of 1077681 is 1867701.

It is not a de Polignac number, because 1077681 - 2² = 1077677 is a prime.

It is a super-2 number, since 2×1077681² = 2322792675522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1077641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9481 + ... + 9593.

It is an arithmetic number, because the mean of its divisors is an integer number (69996).

2^1077681 is an apocalyptic number.

1077681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1077681 is a deficient number, since it is larger than the sum of its proper divisors (602223).

1077681 is a wasteful number, since it uses less digits than its factorization.

1077681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 1077681 is about 1038.1141555725. The cubic root of 1077681 is about 102.5250702111.

The spelling of 1077681 in words is "one million, seventy-seven thousand, six hundred eighty-one".