1081965 has 16 divisors (see below), whose sum is σ = 1833408. Its totient is φ = 542976.

The previous prime is 1081939. The next prime is 1081979. The reversal of 1081965 is 5691801.

It is a happy number.

It is not a de Polignac number, because 1081965 - 2⁶ = 1081901 is a prime.

It is a super-2 number, since 2×1081965² = 2341296522450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (114588).

2^1081965 is an apocalyptic number.

1081965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1081965 is a deficient number, since it is larger than the sum of its proper divisors (751443).

1081965 is a wasteful number, since it uses less digits than its factorization.

1081965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1081965 is about 1040.1754659672. The cubic root of 1081965 is about 102.6607432256.

The spelling of 1081965 in words is "one million, eighty-one thousand, nine hundred sixty-five".