1127321 has 8 divisors (see below), whose sum is σ = 1285704. Its totient is φ = 979200.

The previous prime is 1127311. The next prime is 1127323. The reversal of 1127321 is 1237211.

It can be written as a sum of positive squares in 4 ways, for example, as 1600 + 1125721 = 40^2 + 1061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1127321 - 2¹⁸ = 865177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1127321.

It is not an unprimeable number, because it can be changed into a prime (1127323) 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, 2330 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (160713).

2^1127321 is an apocalyptic number.

It is an amenable number.

1127321 is a deficient number, since it is larger than the sum of its proper divisors (158383).

1127321 is a wasteful number, since it uses less digits than its factorization.

1127321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131.

The product of its digits is 84, while the sum is 17.

The square root of 1127321 is about 1061.7537379261. The cubic root of 1127321 is about 104.0756660890.

The spelling of 1127321 in words is "one million, one hundred twenty-seven thousand, three hundred twenty-one".