2124045 has 48 divisors (see below), whose sum is σ = 4597632. Its totient is φ = 881280.

The previous prime is 2124043. The next prime is 2124049. The reversal of 2124045 is 5404212.

It is not a de Polignac number, because 2124045 - 2¹ = 2124043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3159 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (95784).

2^2124045 is an apocalyptic number.

It is an amenable number.

2124045 is an abundant number, since it is smaller than the sum of its proper divisors (2473587).

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

2124045 is a wasteful number, since it uses less digits than its factorization.

2124045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2124045 is about 1457.4103746028. The cubic root of 2124045 is about 128.5448172438.

Adding to 2124045 its reverse (5404212), we get a palindrome (7528257).

The spelling of 2124045 in words is "two million, one hundred twenty-four thousand, forty-five".