2124004 has 12 divisors (see below), whose sum is σ = 3878784. Its totient is φ = 1015784.

The previous prime is 2123999. The next prime is 2124007. The reversal of 2124004 is 4004212.

It is a super-2 number, since 2×2124004² = 9022785984032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2124007) 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, 11452 + ... + 11635.

It is an arithmetic number, because the mean of its divisors is an integer number (323232).

2^2124004 is an apocalyptic number.

It is an amenable number.

2124004 is a deficient number, since it is larger than the sum of its proper divisors (1754780).

2124004 is a wasteful number, since it uses less digits than its factorization.

2124004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23114 (or 23112 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2124004 is about 1457.3963084899. The cubic root of 2124004 is about 128.5439901471.

Adding to 2124004 its reverse (4004212), we get a palindrome (6128216).

It can be divided in two parts, 212 and 4004, that multiplied together give a palindrome (848848).

The spelling of 2124004 in words is "two million, one hundred twenty-four thousand, four".