1052857128 has 32 divisors (see below), whose sum is σ = 2658209760. Its totient is φ = 347476800.

The previous prime is 1052857121. The next prime is 1052857139. The reversal of 1052857128 is 8217582501.

It is a super-2 number, since 2×1052857128² = 2217016263960816768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052857121) 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, 214750 + ... + 219597.

It is an arithmetic number, because the mean of its divisors is an integer number (83069055).

Almost surely, 2^1052857128 is an apocalyptic number.

It is an amenable number.

1052857128 is an abundant number, since it is smaller than the sum of its proper divisors (1605352632).

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

1052857128 is a wasteful number, since it uses less digits than its factorization.

1052857128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434457 (or 434453 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 1052857128 is about 32447.7599843194. The cubic root of 1052857128 is about 1017.3174185571.

The spelling of 1052857128 in words is "one billion, fifty-two million, eight hundred fifty-seven thousand, one hundred twenty-eight".