1000125207 has 12 divisors (see below), whose sum is σ = 1483669720. Its totient is φ = 648729648.

The previous prime is 1000125199. The next prime is 1000125271. The reversal of 1000125207 is 7025210001.

It is not a de Polignac number, because 1000125207 - 2³ = 1000125199 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 1000125207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000125277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501357 + ... + 1502022.

Almost surely, 2^1000125207 is an apocalyptic number.

1000125207 is a deficient number, since it is larger than the sum of its proper divisors (483544513).

1000125207 is a wasteful number, since it uses less digits than its factorization.

1000125207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003422 (or 3003419 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1000125207 is about 31624.7562362147. The cubic root of 1000125207 is about 1000.0417339249.

Adding to 1000125207 its reverse (7025210001), we get a palindrome (8025335208).

The spelling of 1000125207 in words is "one billion, one hundred twenty-five thousand, two hundred seven".