1097000 has 32 divisors (see below), whose sum is σ = 2569320. Its totient is φ = 438400.

The previous prime is 1096999. The next prime is 1097009. The reversal of 1097000 is 7901.

It can be written as a sum of positive squares in 4 ways, for example, as 217156 + 879844 = 466^2 + 938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1097000.

It is not an unprimeable number, because it can be changed into a prime (1097009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452 + ... + 1548.

2^1097000 is an apocalyptic number.

1097000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284660).

1097000 is an abundant number, since it is smaller than the sum of its proper divisors (1472320).

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

1097000 is a wasteful number, since it uses less digits than its factorization.

1097000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 1097000 is about 1047.3776778221. The cubic root of 1097000 is about 103.1340824569.

The spelling of 1097000 in words is "one million, ninety-seven thousand".