1321127 has 8 divisors (see below), whose sum is σ = 1436160. Its totient is φ = 1210680.

The previous prime is 1321109. The next prime is 1321139. The reversal of 1321127 is 7211231.

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

It is not a de Polignac number, because 1321127 - 2⁶ = 1321063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321157) 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, 533 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (179520).

2^1321127 is an apocalyptic number.

1321127 is a deficient number, since it is larger than the sum of its proper divisors (115033).

1321127 is a wasteful number, since it uses less digits than its factorization.

1321127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

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

The square root of 1321127 is about 1149.4028884599. The cubic root of 1321127 is about 109.7273412437.

Adding to 1321127 its reverse (7211231), we get a palindrome (8532358).

The spelling of 1321127 in words is "one million, three hundred twenty-one thousand, one hundred twenty-seven".