1107121 has 4 divisors (see below), whose sum is σ = 1132912. Its totient is φ = 1081332.

The previous prime is 1107109. The next prime is 1107157. The reversal of 1107121 is 1217011.

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 1107121 - 2⁷ = 1106993 is a prime.

It is a Duffinian number.

1107121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1107101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12831 + ... + 12916.

It is an arithmetic number, because the mean of its divisors is an integer number (283228).

2^1107121 is an apocalyptic number.

It is an amenable number.

1107121 is a deficient number, since it is larger than the sum of its proper divisors (25791).

1107121 is an equidigital number, since it uses as much as digits as its factorization.

1107121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25790.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1107121 is about 1052.1981752503. The cubic root of 1107121 is about 103.4502861282.

The spelling of 1107121 in words is "one million, one hundred seven thousand, one hundred twenty-one".