1045090 has 16 divisors (see below), whose sum is σ = 1927800. Its totient is φ = 407680.

The previous prime is 1045081. The next prime is 1045111. The reversal of 1045090 is 905401.

It can be written as a sum of positive squares in 4 ways, for example, as 811801 + 233289 = 901^2 + 483^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865 + ... + 1684.

2^1045090 is an apocalyptic number.

1045090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045090 is a deficient number, since it is larger than the sum of its proper divisors (882710).

1045090 is a wasteful number, since it uses less digits than its factorization.

1045090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1045090 is about 1022.2964345042. The cubic root of 1045090 is about 101.4809593248.

The spelling of 1045090 in words is "one million, forty-five thousand, ninety".