1001122 has 8 divisors (see below), whose sum is σ = 1522476. Its totient is φ = 493632.

The previous prime is 1001107. The next prime is 1001123. The reversal of 1001122 is 2211001.

1001122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 904401 + 96721 = 951^2 + 311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001123) 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, 3283 + ... + 3574.

2^1001122 is an apocalyptic number.

1001122 is a deficient number, since it is larger than the sum of its proper divisors (521354).

1001122 is an equidigital number, since it uses as much as digits as its factorization.

1001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1001122 is about 1000.5608427277. The cubic root of 1001122 is about 100.0373860211.

Adding to 1001122 its reverse (2211001), we get a palindrome (3212123).

The spelling of 1001122 in words is "one million, one thousand, one hundred twenty-two".