2124506 has 4 divisors (see below), whose sum is σ = 3186762. Its totient is φ = 1062252.

The previous prime is 2124491. The next prime is 2124509. The reversal of 2124506 is 6054212.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 36481 = 1445^2 + 191^2 .

It is not an unprimeable number, because it can be changed into a prime (2124509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531125 + ... + 531128.

2^2124506 is an apocalyptic number.

2124506 is a deficient number, since it is larger than the sum of its proper divisors (1062256).

2124506 is a wasteful number, since it uses less digits than its factorization.

2124506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062255.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2124506 is about 1457.5685232606. The cubic root of 2124506 is about 128.5541163051.

Adding to 2124506 its reverse (6054212), we get a palindrome (8178718).

The spelling of 2124506 in words is "two million, one hundred twenty-four thousand, five hundred six".