2124689 has 12 divisors (see below), whose sum is σ = 2497968. Its totient is φ = 1801800.

The previous prime is 2124679. The next prime is 2124757. The reversal of 2124689 is 9864212.

2124689 = 96² + 97² + ... + 193².

It is not a de Polignac number, because 2124689 - 2¹⁶ = 2059153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6254 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (208164).

2^2124689 is an apocalyptic number.

It is an amenable number.

2124689 is a deficient number, since it is larger than the sum of its proper divisors (373279).

2124689 is a wasteful number, since it uses less digits than its factorization.

2124689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 469 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 2124689 is about 1457.6312976881. The cubic root of 2124689 is about 128.5578073165.

The spelling of 2124689 in words is "two million, one hundred twenty-four thousand, six hundred eighty-nine".