1121069 has 4 divisors (see below), whose sum is σ = 1124220. Its totient is φ = 1117920.

The previous prime is 1121051. The next prime is 1121083. The reversal of 1121069 is 9601211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9601211 = 1933 ⋅4967.

It can be written as a sum of positive squares in 2 ways, for example, as 714025 + 407044 = 845^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121069 - 2²⁰ = 72493 is a prime.

It is a super-2 number, since 2×1121069² = 2513591405522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121369) 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, 962 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (281055).

2^1121069 is an apocalyptic number.

It is an amenable number.

1121069 is a deficient number, since it is larger than the sum of its proper divisors (3151).

1121069 is an equidigital number, since it uses as much as digits as its factorization.

1121069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1121069 is about 1058.8054589961. The cubic root of 1121069 is about 103.8829118651.

The spelling of 1121069 in words is "one million, one hundred twenty-one thousand, sixty-nine".