1090523 has 8 divisors (see below), whose sum is σ = 1275648. Its totient is φ = 912744.

The previous prime is 1090519. The next prime is 1090553. The reversal of 1090523 is 3250901.

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

It is not a de Polignac number, because 1090523 - 2² = 1090519 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090495 and 1090504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511 + ... + 2112.

It is an arithmetic number, because the mean of its divisors is an integer number (159456).

2^1090523 is an apocalyptic number.

1090523 is a deficient number, since it is larger than the sum of its proper divisors (185125).

1090523 is an equidigital number, since it uses as much as digits as its factorization.

1090523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1090523 is about 1044.2810924267. The cubic root of 1090523 is about 102.9307040103.

The spelling of 1090523 in words is "one million, ninety thousand, five hundred twenty-three".