1090026 has 48 divisors (see below), whose sum is σ = 2778048. Its totient is φ = 302400.

The previous prime is 1090021. The next prime is 1090027. The reversal of 1090026 is 6200901.

1090026 is a nontrivial binomial coefficient, being equal to C(1477, 2).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1089990 and 1090008.

It is not an unprimeable number, because it can be changed into a prime (1090021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5061 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (57876).

2^1090026 is an apocalyptic number.

1090026 is the 1476-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389024).

1090026 is an abundant number, since it is smaller than the sum of its proper divisors (1688022).

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

1090026 is a wasteful number, since it uses less digits than its factorization.

1090026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1090026 is about 1044.0431025585. The cubic root of 1090026 is about 102.9150649291.

Adding to 1090026 its reverse (6200901), we get a palindrome (7290927).

The spelling of 1090026 in words is "one million, ninety thousand, twenty-six".