1125000513 has 24 divisors (see below), whose sum is σ = 2000002368. Its totient is φ = 593406432.

The previous prime is 1125000497. The next prime is 1125000533. The reversal of 1125000513 is 3150005211.

1125000513 is a `hidden beast` number, since 112 + 500 + 0 + 51 + 3 = 666.

It is not a de Polignac number, because 1125000513 - 2⁴ = 1125000497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125000533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685995 + ... + 687632.

It is an arithmetic number, because the mean of its divisors is an integer number (83333432).

Almost surely, 2^1125000513 is an apocalyptic number.

1125000513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1125000513 is a deficient number, since it is larger than the sum of its proper divisors (875001855).

1125000513 is a wasteful number, since it uses less digits than its factorization.

1125000513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373653 (or 1373650 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1125000513 is about 33541.0273098485. The cubic root of 1125000513 is about 1040.0420696123.

Adding to 1125000513 its reverse (3150005211), we get a palindrome (4275005724).

The spelling of 1125000513 in words is "one billion, one hundred twenty-five million, five hundred thirteen", and thus it is an aban number.