1097250 has 128 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 216000.

The previous prime is 1097237. The next prime is 1097267. The reversal of 1097250 is 527901.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1097250.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57741 + ... + 57759.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2^1097250 is an apocalyptic number.

1097250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797120).

1097250 is an abundant number, since it is smaller than the sum of its proper divisors (2496990).

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

1097250 is a wasteful number, since it uses less digits than its factorization.

1097250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 1097250 is about 1047.4970167022. The cubic root of 1097250 is about 103.1419164168.

The spelling of 1097250 in words is "one million, ninety-seven thousand, two hundred fifty".