1030807557 has 18 divisors (see below), whose sum is σ = 1612291122. Its totient is φ = 634342176.

The previous prime is 1030807543. The next prime is 1030807577. The reversal of 1030807557 is 7557080301.

It can be written as a sum of positive squares in 3 ways, for example, as 12321 + 1030795236 = 111^2 + 32106^2 .

It is not a de Polignac number, because 1030807557 - 2⁴ = 1030807541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030807577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 337338 + ... + 340379.

It is an arithmetic number, because the mean of its divisors is an integer number (89571729).

Almost surely, 2^1030807557 is an apocalyptic number.

It is an amenable number.

1030807557 is a deficient number, since it is larger than the sum of its proper divisors (581483565).

1030807557 is a wasteful number, since it uses less digits than its factorization.

1030807557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677749 (or 677733 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 1030807557 is about 32106.1918794490. The cubic root of 1030807557 is about 1010.1654981554.

Adding to 1030807557 its reverse (7557080301), we get a palindrome (8587887858).

The spelling of 1030807557 in words is "one billion, thirty million, eight hundred seven thousand, five hundred fifty-seven".