1121007 has 4 divisors (see below), whose sum is σ = 1494680. Its totient is φ = 747336.

The previous prime is 1120993. The next prime is 1121011. The reversal of 1121007 is 7001211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1121007 - 2¹² = 1116911 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1120983 and 1121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121017) 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, 186832 + ... + 186837.

It is an arithmetic number, because the mean of its divisors is an integer number (373670).

2^1121007 is an apocalyptic number.

1121007 is a deficient number, since it is larger than the sum of its proper divisors (373673).

1121007 is an equidigital number, since it uses as much as digits as its factorization.

1121007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373672.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 1121007 is about 1058.7761803139. The cubic root of 1121007 is about 103.8809967706.

Adding to 1121007 its reverse (7001211), we get a palindrome (8122218).

The spelling of 1121007 in words is "one million, one hundred twenty-one thousand, seven".