2126187268 has 12 divisors (see below), whose sum is σ = 3727106460. Its totient is φ = 1061299712.

The previous prime is 2126187227. The next prime is 2126187281. The reversal of 2126187268 is 8627816212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1716610624 + 409576644 = 41432^2 + 20238^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445813 + ... + 450556.

It is an arithmetic number, because the mean of its divisors is an integer number (310592205).

Almost surely, 2^2126187268 is an apocalyptic number.

It is an amenable number.

2126187268 is a deficient number, since it is larger than the sum of its proper divisors (1600919192).

2126187268 is a wasteful number, since it uses less digits than its factorization.

2126187268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896966 (or 896964 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 2126187268 is about 46110.5982177633. The cubic root of 2126187268 is about 1285.8801860727.

The spelling of 2126187268 in words is "two billion, one hundred twenty-six million, one hundred eighty-seven thousand, two hundred sixty-eight".