2126530 has 32 divisors (see below), whose sum is σ = 4634496. Its totient is φ = 685824.

The previous prime is 2126491. The next prime is 2126539. The reversal of 2126530 is 356212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2126498 and 2126507.

It is not an unprimeable number, because it can be changed into a prime (2126539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297 + ... + 2083.

It is an arithmetic number, because the mean of its divisors is an integer number (144828).

2^2126530 is an apocalyptic number.

2126530 is an abundant number, since it is smaller than the sum of its proper divisors (2507966).

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

2126530 is a wasteful number, since it uses less digits than its factorization.

2126530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2126530 is about 1458.2626649544. The cubic root of 2126530 is about 128.5949275097.

The spelling of 2126530 in words is "two million, one hundred twenty-six thousand, five hundred thirty".