1061025057 has 6 divisors (see below), whose sum is σ = 1532591762. Its totient is φ = 707350032.

The previous prime is 1061025041. The next prime is 1061025067. The reversal of 1061025057 is 7505201601.

It can be written as a sum of positive squares in only one way, i.e., 915002001 + 146023056 = 30249^2 + 12084^2 .

It is not a de Polignac number, because 1061025057 - 2⁴ = 1061025041 is a prime.

It is a super-2 number, since 2×1061025057² = 2251548343163706498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1061025057.

It is not an unprimeable number, because it can be changed into a prime (1061025067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58945828 + ... + 58945845.

Almost surely, 2^1061025057 is an apocalyptic number.

It is an amenable number.

1061025057 is a deficient number, since it is larger than the sum of its proper divisors (471566705).

1061025057 is a wasteful number, since it uses less digits than its factorization.

1061025057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117891679 (or 117891676 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 1061025057 is about 32573.3795759666. The cubic root of 1061025057 is about 1019.9413835981.

Adding to 1061025057 its reverse (7505201601), we get a palindrome (8566226658).

The spelling of 1061025057 in words is "one billion, sixty-one million, twenty-five thousand, fifty-seven".