2126451303 has 12 divisors (see below), whose sum is σ = 3177456360. Its totient is φ = 1368750096.

The previous prime is 2126451287. The next prime is 2126451317. The reversal of 2126451303 is 3031546212.

2126451303 is a `hidden beast` number, since 2 + 1 + 2 + 645 + 13 + 0 + 3 = 666.

It is not a de Polignac number, because 2126451303 - 2⁴ = 2126451287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126456303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4073401 + ... + 4073922.

It is an arithmetic number, because the mean of its divisors is an integer number (264788030).

Almost surely, 2^2126451303 is an apocalyptic number.

2126451303 is a deficient number, since it is larger than the sum of its proper divisors (1051005057).

2126451303 is a wasteful number, since it uses less digits than its factorization.

2126451303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147358 (or 8147355 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2126451303 is about 46113.4611908497. The cubic root of 2126451303 is about 1285.9334117577.

Adding to 2126451303 its reverse (3031546212), we get a palindrome (5157997515).

The spelling of 2126451303 in words is "two billion, one hundred twenty-six million, four hundred fifty-one thousand, three hundred three".