1085970 has 32 divisors (see below), whose sum is σ = 2659392. Its totient is φ = 283712.

The previous prime is 1085957. The next prime is 1085971. The reversal of 1085970 is 795801.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085971) 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, 1249 + ... + 1931.

It is an arithmetic number, because the mean of its divisors is an integer number (83106).

2^1085970 is an apocalyptic number.

1085970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329696).

1085970 is an abundant number, since it is smaller than the sum of its proper divisors (1573422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085970 is a wasteful number, since it uses less digits than its factorization.

1085970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1085970 is about 1042.0988436804. The cubic root of 1085970 is about 102.7872568700.

The spelling of 1085970 in words is "one million, eighty-five thousand, nine hundred seventy".