1090441 has 4 divisors (see below), whose sum is σ = 1189584. Its totient is φ = 991300.

The previous prime is 1090423. The next prime is 1090457. The reversal of 1090441 is 1440901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1090441 - 2⁵ = 1090409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49555 + ... + 49576.

It is an arithmetic number, because the mean of its divisors is an integer number (297396).

2^1090441 is an apocalyptic number.

1090441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1090441 is a deficient number, since it is larger than the sum of its proper divisors (99143).

1090441 is an equidigital number, since it uses as much as digits as its factorization.

1090441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99142.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1090441 is about 1044.2418302290. The cubic root of 1090441 is about 102.9281240466.

It can be divided in two parts, 1090 and 441, that multiplied together give a triangular number (480690 = T₉₈₀).

The spelling of 1090441 in words is "one million, ninety thousand, four hundred forty-one".