1152270 has 96 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 250560.

The previous prime is 1152233. The next prime is 1152287. The reversal of 1152270 is 722511.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 19501 + ... + 19559.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2^1152270 is an apocalyptic number.

1152270 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 1152270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797120).

1152270 is an abundant number, since it is smaller than the sum of its proper divisors (2441970).

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

1152270 is a wasteful number, since it uses less digits than its factorization.

1152270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1152270 is about 1073.4384006546. The cubic root of 1152270 is about 104.8378449455.

Adding to 1152270 its reverse (722511), we get a palindrome (1874781).

The spelling of 1152270 in words is "one million, one hundred fifty-two thousand, two hundred seventy".