1066500125 has 16 divisors (see below), whose sum is σ = 1331913024. Its totient is φ = 852610000.

The previous prime is 1066500121. The next prime is 1066500163. The reversal of 1066500125 is 5210056601.

It is not a de Polignac number, because 1066500125 - 2² = 1066500121 is a prime.

It is a super-2 number, since 2×1066500125² = 2274845033250031250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066500094 and 1066500103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066500121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314690 + ... + 318060.

It is an arithmetic number, because the mean of its divisors is an integer number (83244564).

Almost surely, 2^1066500125 is an apocalyptic number.

It is an amenable number.

1066500125 is a deficient number, since it is larger than the sum of its proper divisors (265412899).

1066500125 is an equidigital number, since it uses as much as digits as its factorization.

1066500125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917 (or 5907 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1066500125 is about 32657.3134994292. The cubic root of 1066500125 is about 1021.6927310695.

Adding to 1066500125 its reverse (5210056601), we get a palindrome (6276556726).

The spelling of 1066500125 in words is "one billion, sixty-six million, five hundred thousand, one hundred twenty-five".