1091026 has 8 divisors (see below), whose sum is σ = 1732860. Its totient is φ = 513408.

The previous prime is 1091023. The next prime is 1091033. The reversal of 1091026 is 6201901.

It can be written as a sum of positive squares in 2 ways, for example, as 1050625 + 40401 = 1025^2 + 201^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1090994 and 1091012.

It is not an unprimeable number, because it can be changed into a prime (1091021) 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, 16011 + ... + 16078.

2^1091026 is an apocalyptic number.

1091026 is a deficient number, since it is larger than the sum of its proper divisors (641834).

1091026 is a wasteful number, since it uses less digits than its factorization.

1091026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32108.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1091026 is about 1044.5219002012. The cubic root of 1091026 is about 102.9465270560.

Adding to 1091026 its reverse (6201901), we get a palindrome (7292927).

The spelling of 1091026 in words is "one million, ninety-one thousand, twenty-six".