1050128872 has 16 divisors (see below), whose sum is σ = 2120452740. Its totient is φ = 484674816.

The previous prime is 1050128867. The next prime is 1050128897. The reversal of 1050128872 is 2788210501.

It can be written as a sum of positive squares in 2 ways, for example, as 1046263716 + 3865156 = 32346^2 + 1966^2 .

It is a super-2 number, since 2×1050128872² = 2205541295615984768, which contains 22 as substring.

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, 5048593 + ... + 5048800.

Almost surely, 2^1050128872 is an apocalyptic number.

It is an amenable number.

1050128872 is an abundant number, since it is smaller than the sum of its proper divisors (1070323868).

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

1050128872 is a wasteful number, since it uses less digits than its factorization.

1050128872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097412 (or 10097408 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 1050128872 is about 32405.6919691588. The cubic root of 1050128872 is about 1016.4379376634.

The spelling of 1050128872 in words is "one billion, fifty million, one hundred twenty-eight thousand, eight hundred seventy-two".