4009122 has 32 divisors (see below), whose sum is σ = 9596160. Its totient is φ = 1233360.

The previous prime is 4009097. The next prime is 4009139. The reversal of 4009122 is 2219004.

4009122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4009095 and 4009104.

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 15 ways as a sum of consecutive naturals, for example, 2154 + ... + 3557.

It is an arithmetic number, because the mean of its divisors is an integer number (299880).

Almost surely, 2^4009122 is an apocalyptic number.

4009122 is an abundant number, since it is smaller than the sum of its proper divisors (5587038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4009122 is a wasteful number, since it uses less digits than its factorization.

4009122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735 (or 5729 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4009122 is about 2002.2792013103. The cubic root of 4009122 is about 158.8606825210.

The spelling of 4009122 in words is "four million, nine thousand, one hundred twenty-two".