1121107 has 4 divisors (see below), whose sum is σ = 1207360. Its totient is φ = 1034856.

The previous prime is 1121101. The next prime is 1121143. The reversal of 1121107 is 7011211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7011211 = 53 ⋅132287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 86239 = 1121107 / (1 + 1 + 2 + 1 + 1 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121101) 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, 43107 + ... + 43132.

It is an arithmetic number, because the mean of its divisors is an integer number (301840).

2^1121107 is an apocalyptic number.

1121107 is a deficient number, since it is larger than the sum of its proper divisors (86253).

1121107 is an equidigital number, since it uses as much as digits as its factorization.

1121107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86252.

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

The square root of 1121107 is about 1058.8234035948. The cubic root of 1121107 is about 103.8840855979.

Adding to 1121107 its reverse (7011211), we get a palindrome (8132318).

The spelling of 1121107 in words is "one million, one hundred twenty-one thousand, one hundred seven".