1125584057 has 8 divisors (see below), whose sum is σ = 1213779336. Its totient is φ = 1037619072.

The previous prime is 1125583973. The next prime is 1125584063. The reversal of 1125584057 is 7504855211.

It can be written as a sum of positive squares in 4 ways, for example, as 4405801 + 1121178256 = 2099^2 + 33484^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125584057 - 2¹⁴ = 1125567673 is a prime.

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 1125584057.

It is not an unprimeable number, because it can be changed into a prime (1125584857) 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, 47348 + ... + 67029.

It is an arithmetic number, because the mean of its divisors is an integer number (151722417).

Almost surely, 2^1125584057 is an apocalyptic number.

It is an amenable number.

1125584057 is a deficient number, since it is larger than the sum of its proper divisors (88195279).

1125584057 is a wasteful number, since it uses less digits than its factorization.

1125584057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115147.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 1125584057 is about 33549.7251404538. The cubic root of 1125584057 is about 1040.2218637240.

The spelling of 1125584057 in words is "one billion, one hundred twenty-five million, five hundred eighty-four thousand, fifty-seven".