4001122 has 8 divisors (see below), whose sum is σ = 6012972. Its totient is φ = 1996800.

The previous prime is 4001119. The next prime is 4001141. The reversal of 4001122 is 2211004.

4001122 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 3916441 + 84681 = 1979^2 + 291^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4001099 and 4001108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279 + ... + 2842.

Almost surely, 2^4001122 is an apocalyptic number.

4001122 is a deficient number, since it is larger than the sum of its proper divisors (2011850).

4001122 is a wasteful number, since it uses less digits than its factorization.

4001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 4001122 is about 2000.2804803327. The cubic root of 4001122 is about 158.7549460091.

Adding to 4001122 its reverse (2211004), we get a palindrome (6212126).

The spelling of 4001122 in words is "four million, one thousand, one hundred twenty-two".