2126670 has 128 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 414720.

The previous prime is 2126659. The next prime is 2126681. The reversal of 2126670 is 766212.

2126670 = 15² + 16² + ... + 185².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2126659) and next prime (2126681).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51850 + ... + 51890.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2^2126670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2126670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2126670 is an abundant number, since it is smaller than the sum of its proper divisors (4647090).

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

2126670 is a wasteful number, since it uses less digits than its factorization.

2126670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2126670 is about 1458.3106664905. The cubic root of 2126670 is about 128.5977494614.

The spelling of 2126670 in words is "two million, one hundred twenty-six thousand, six hundred seventy".