1058249128 has 8 divisors (see below), whose sum is σ = 1984217130. Its totient is φ = 529124560.

The previous prime is 1058249123. The next prime is 1058249141. The reversal of 1058249128 is 8219428501.

It can be written as a sum of positive squares in only one way, i.e., 957407364 + 100841764 = 30942^2 + 10042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1058249128² = 2239782433825520768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1058249123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66140563 + ... + 66140578.

Almost surely, 2^1058249128 is an apocalyptic number.

It is an amenable number.

1058249128 is a deficient number, since it is larger than the sum of its proper divisors (925968002).

1058249128 is a wasteful number, since it uses less digits than its factorization.

1058249128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132281147 (or 132281143 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1058249128 is about 32530.7412765218. The cubic root of 1058249128 is about 1019.0511257675.

The spelling of 1058249128 in words is "one billion, fifty-eight million, two hundred forty-nine thousand, one hundred twenty-eight".