2126630 has 16 divisors (see below), whose sum is σ = 4176144. Its totient is φ = 773280.

The previous prime is 2126627. The next prime is 2126633. The reversal of 2126630 is 366212.

It is an interprime number because it is at equal distance from previous prime (2126627) and next prime (2126633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9557 + ... + 9776.

It is an arithmetic number, because the mean of its divisors is an integer number (261009).

2^2126630 is an apocalyptic number.

2126630 is a deficient number, since it is larger than the sum of its proper divisors (2049514).

2126630 is a wasteful number, since it uses less digits than its factorization.

2126630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19351.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2126630 is about 1458.2969519271. The cubic root of 2126630 is about 128.5969432021.

The spelling of 2126630 in words is "two million, one hundred twenty-six thousand, six hundred thirty".