2126299000 has 128 divisors (see below), whose sum is σ = 5751907200. Its totient is φ = 720614400.

The previous prime is 2126298989. The next prime is 2126299003. The reversal of 2126299000 is 9926212.

It is a super-2 number, since 2×2126299000² = 9042294874802000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126299003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621294 + ... + 624706.

It is an arithmetic number, because the mean of its divisors is an integer number (44936775).

Almost surely, 2^2126299000 is an apocalyptic number.

2126299000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2126299000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875953600).

2126299000 is an abundant number, since it is smaller than the sum of its proper divisors (3625608200).

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

2126299000 is a wasteful number, since it uses less digits than its factorization.

2126299000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2126299000 is about 46111.8097671302. The cubic root of 2126299000 is about 1285.9027101859.

The spelling of 2126299000 in words is "two billion, one hundred twenty-six million, two hundred ninety-nine thousand".