1081930 has 8 divisors (see below), whose sum is σ = 1947492. Its totient is φ = 432768.

The previous prime is 1081919. The next prime is 1081937. The reversal of 1081930 is 391801.

It can be written as a sum of positive squares in 2 ways, for example, as 1075369 + 6561 = 1037^2 + 81^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1081937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54087 + ... + 54106.

2^1081930 is an apocalyptic number.

1081930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081930 is a deficient number, since it is larger than the sum of its proper divisors (865562).

1081930 is a wasteful number, since it uses less digits than its factorization.

1081930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108200.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1081930 is about 1040.1586417465. The cubic root of 1081930 is about 102.6596362383.

The spelling of 1081930 in words is "one million, eighty-one thousand, nine hundred thirty".