1090250 has 48 divisors (see below), whose sum is σ = 2400840. Its totient is φ = 369600.

The previous prime is 1090249. The next prime is 1090267. The reversal of 1090250 is 520901.

It can be written as a sum of positive squares in 4 ways, for example, as 170569 + 919681 = 413^2 + 959^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12206 + ... + 12294.

2^1090250 is an apocalyptic number.

1090250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1090250 is an abundant number, since it is smaller than the sum of its proper divisors (1310590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1090250 is an equidigital number, since it uses as much as digits as its factorization.

1090250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 103 counting only the distinct ones).

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

The square root of 1090250 is about 1044.1503723123. The cubic root of 1090250 is about 102.9221141174.

It can be divided in two parts, 10 and 90250, that multiplied together give a square (902500 = 950²).

The spelling of 1090250 in words is "one million, ninety thousand, two hundred fifty".