2124497 has 4 divisors (see below), whose sum is σ = 2176356. Its totient is φ = 2072640.

The previous prime is 2124491. The next prime is 2124509. The reversal of 2124497 is 7944212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 1745041 = 616^2 + 1321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124497 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2124491) 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, 25868 + ... + 25949.

It is an arithmetic number, because the mean of its divisors is an integer number (544089).

2^2124497 is an apocalyptic number.

It is an amenable number.

2124497 is a deficient number, since it is larger than the sum of its proper divisors (51859).

2124497 is an equidigital number, since it uses as much as digits as its factorization.

2124497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51858.

The product of its digits is 4032, while the sum is 29.

The square root of 2124497 is about 1457.5654359239. The cubic root of 2124497 is about 128.5539347745.

The spelling of 2124497 in words is "two million, one hundred twenty-four thousand, four hundred ninety-seven".