1085290 has 8 divisors (see below), whose sum is σ = 1953540. Its totient is φ = 434112.

The previous prime is 1085269. The next prime is 1085309. The reversal of 1085290 is 925801.

It can be written as a sum of positive squares in 2 ways, for example, as 1042441 + 42849 = 1021^2 + 207^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54255 + ... + 54274.

2^1085290 is an apocalyptic number.

1085290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085290 is a deficient number, since it is larger than the sum of its proper divisors (868250).

1085290 is a wasteful number, since it uses less digits than its factorization.

1085290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108536.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1085290 is about 1041.7725279542. The cubic root of 1085290 is about 102.7657983495.

The spelling of 1085290 in words is "one million, eighty-five thousand, two hundred ninety".