2126401133 has 8 divisors (see below), whose sum is σ = 2201093400. Its totient is φ = 2051800128.

The previous prime is 2126401099. The next prime is 2126401139. The reversal of 2126401133 is 3311046212.

It can be written as a sum of positive squares in 4 ways, for example, as 34070569 + 2092330564 = 5837^2 + 45742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2126401133 - 2⁸ = 2126400877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2126401099 and 2126401108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126401139) 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, 26435 + ... + 70367.

It is an arithmetic number, because the mean of its divisors is an integer number (275136675).

Almost surely, 2^2126401133 is an apocalyptic number.

It is an amenable number.

2126401133 is a deficient number, since it is larger than the sum of its proper divisors (74692267).

2126401133 is a wasteful number, since it uses less digits than its factorization.

2126401133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45631.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2126401133 is about 46112.9172033173. The cubic root of 2126401133 is about 1285.9232985413.

Adding to 2126401133 its reverse (3311046212), we get a palindrome (5437447345).

The spelling of 2126401133 in words is "two billion, one hundred twenty-six million, four hundred one thousand, one hundred thirty-three".