1090025 has 12 divisors (see below), whose sum is σ = 1376400. Its totient is φ = 856080.

The previous prime is 1090021. The next prime is 1090027. The reversal of 1090025 is 5200901.

It is not a de Polignac number, because 1090025 - 2² = 1090021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1089985 and 1090012.

It is not an unprimeable number, because it can be changed into a prime (1090021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1106 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (114700).

2^1090025 is an apocalyptic number.

It is an amenable number.

1090025 is a deficient number, since it is larger than the sum of its proper divisors (286375).

1090025 is an equidigital number, since it uses as much as digits as its factorization.

1090025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1090025 is about 1044.0426236510. The cubic root of 1090025 is about 102.9150334573.

Adding to 1090025 its reverse (5200901), we get a palindrome (6290926).

The spelling of 1090025 in words is "one million, ninety thousand, twenty-five".