1153000 has 32 divisors (see below), whose sum is σ = 2700360. Its totient is φ = 460800.

The previous prime is 1152997. The next prime is 1153001. The reversal of 1153000 is 3511.

It can be written as a sum of positive squares in 4 ways, for example, as 509796 + 643204 = 714^2 + 802^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1153001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424 + ... + 1576.

2^1153000 is an apocalyptic number.

1153000 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 1153000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350180).

1153000 is an abundant number, since it is smaller than the sum of its proper divisors (1547360).

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

1153000 is a wasteful number, since it uses less digits than its factorization.

1153000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 1153000 is about 1073.7783756437. The cubic root of 1153000 is about 104.8599796508.

Adding to 1153000 its reverse (3511), we get a palindrome (1156511).

The spelling of 1153000 in words is "one million, one hundred fifty-three thousand".