1125442575 has 18 divisors (see below), whose sum is σ = 2015793104. Its totient is φ = 600235920.

The previous prime is 1125442573. The next prime is 1125442583. The reversal of 1125442575 is 5752445211.

1125442575 is a `hidden beast` number, since 112 + 54 + 425 + 75 = 666.

It is not a de Polignac number, because 1125442575 - 2¹ = 1125442573 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125442573) 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, 2500759 + ... + 2501208.

Almost surely, 2^1125442575 is an apocalyptic number.

1125442575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125442575 is a deficient number, since it is larger than the sum of its proper divisors (890350529).

1125442575 is a wasteful number, since it uses less digits than its factorization.

1125442575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001983 (or 5001975 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 1125442575 is about 33547.6165323261. The cubic root of 1125442575 is about 1040.1782778080.

Adding to 1125442575 its reverse (5752445211), we get a palindrome (6877887786).

The spelling of 1125442575 in words is "one billion, one hundred twenty-five million, four hundred forty-two thousand, five hundred seventy-five".