2122004 has 6 divisors (see below), whose sum is σ = 3713514. Its totient is φ = 1061000.

The previous prime is 2121989. The next prime is 2122009. The reversal of 2122004 is 4002212.

It can be written as a sum of positive squares in only one way, i.e., 1562500 + 559504 = 1250^2 + 748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265247 + ... + 265254.

It is an arithmetic number, because the mean of its divisors is an integer number (618919).

2^2122004 is an apocalyptic number.

It is an amenable number.

2122004 is a deficient number, since it is larger than the sum of its proper divisors (1591510).

2122004 is a wasteful number, since it uses less digits than its factorization.

2122004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530505 (or 530503 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2122004 is about 1456.7099917279. The cubic root of 2122004 is about 128.5036310399.

Adding to 2122004 its reverse (4002212), we get a palindrome (6124216).

The spelling of 2122004 in words is "two million, one hundred twenty-two thousand, four".