1052867889 has 10 divisors (see below), whose sum is σ = 1572802770. Its totient is φ = 701911872.

The previous prime is 1052867887. The next prime is 1052867917. The reversal of 1052867889 is 9887682501.

It can be written as a sum of positive squares in only one way, i.e., 999065664 + 53802225 = 31608^2 + 7335^2 .

It is not a de Polignac number, because 1052867889 - 2¹ = 1052867887 is a prime.

It is a super-2 number, since 2×1052867889² = 2217061583374632642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052867887) 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 9 ways as a sum of consecutive naturals, for example, 6499104 + ... + 6499265.

It is an arithmetic number, because the mean of its divisors is an integer number (157280277).

Almost surely, 2^1052867889 is an apocalyptic number.

It is an amenable number.

1052867889 is a deficient number, since it is larger than the sum of its proper divisors (519934881).

1052867889 is an equidigital number, since it uses as much as digits as its factorization.

1052867889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12998381 (or 12998372 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The square root of 1052867889 is about 32447.9258042791. The cubic root of 1052867889 is about 1017.3208844643.

The spelling of 1052867889 in words is "one billion, fifty-two million, eight hundred sixty-seven thousand, eight hundred eighty-nine".