1080121 has 4 divisors (see below), whose sum is σ = 1234432. Its totient is φ = 925812.

The previous prime is 1080119. The next prime is 1080137. The reversal of 1080121 is 1210801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1080121 - 2¹ = 1080119 is a prime.

It is a super-2 number, since 2×1080121² = 2333322749282, which contains 22 as substring.

It is a Duffinian number.

1080121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1081121) 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 3 ways as a sum of consecutive naturals, for example, 77145 + ... + 77158.

It is an arithmetic number, because the mean of its divisors is an integer number (308608).

2^1080121 is an apocalyptic number.

It is an amenable number.

1080121 is a deficient number, since it is larger than the sum of its proper divisors (154311).

1080121 is an equidigital number, since it uses as much as digits as its factorization.

1080121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154310.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1080121 is about 1039.2886990630. The cubic root of 1080121 is about 102.6023882703.

Adding to 1080121 its reverse (1210801), we get a palindrome (2290922).

The spelling of 1080121 in words is "one million, eighty thousand, one hundred twenty-one".