1126128051 has 12 divisors (see below), whose sum is σ = 1626924312. Its totient is φ = 750615936.

The previous prime is 1126128023. The next prime is 1126128067. The reversal of 1126128051 is 1508216211.

It is not a de Polignac number, because 1126128051 - 2⁵ = 1126128019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126128071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78595 + ... + 91811.

It is an arithmetic number, because the mean of its divisors is an integer number (135577026).

Almost surely, 2^1126128051 is an apocalyptic number.

1126128051 is a deficient number, since it is larger than the sum of its proper divisors (500796261).

1126128051 is a wasteful number, since it uses less digits than its factorization.

1126128051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22690 (or 22687 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1126128051 is about 33557.8314406637. The cubic root of 1126128051 is about 1040.3894162378.

The spelling of 1126128051 in words is "one billion, one hundred twenty-six million, one hundred twenty-eight thousand, fifty-one".