1090265 has 16 divisors (see below), whose sum is σ = 1463616. Its totient is φ = 772800.

The previous prime is 1090249. The next prime is 1090267. The reversal of 1090265 is 5620901.

It is not a de Polignac number, because 1090265 - 2⁴ = 1090249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1090265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2135 + ... + 2595.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

2^1090265 is an apocalyptic number.

It is an amenable number.

1090265 is a deficient number, since it is larger than the sum of its proper divisors (373351).

1090265 is a wasteful number, since it uses less digits than its factorization.

1090265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1090265 is about 1044.1575551611. The cubic root of 1090265 is about 102.9225861267.

The spelling of 1090265 in words is "one million, ninety thousand, two hundred sixty-five".