1681077 has 8 divisors (see below), whose sum is σ = 2262816. Its totient is φ = 1110032.

The previous prime is 1681073. The next prime is 1681091. The reversal of 1681077 is 7701861.

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 1681077 - 2² = 1681073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1681073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298 + ... + 2939.

It is an arithmetic number, because the mean of its divisors is an integer number (282852).

2^1681077 is an apocalyptic number.

It is an amenable number.

1681077 is a deficient number, since it is larger than the sum of its proper divisors (581739).

1681077 is a wasteful number, since it uses less digits than its factorization.

1681077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347.

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

The square root of 1681077 is about 1296.5635348875. The cubic root of 1681077 is about 118.9038368190.

The spelling of 1681077 in words is "one million, six hundred eighty-one thousand, seventy-seven".