1085977 has 8 divisors (see below), whose sum is σ = 1161216. Its totient is φ = 1012032.

The previous prime is 1085971. The next prime is 1085989. The reversal of 1085977 is 7795801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1908 + ... + 2410.

It is an arithmetic number, because the mean of its divisors is an integer number (145152).

2^1085977 is an apocalyptic number.

1085977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1085977 is a deficient number, since it is larger than the sum of its proper divisors (75239).

1085977 is a wasteful number, since it uses less digits than its factorization.

1085977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 1085977 is about 1042.1022022815. The cubic root of 1085977 is about 102.7874777199.

The spelling of 1085977 in words is "one million, eighty-five thousand, nine hundred seventy-seven".