200000125 has 16 divisors (see below), whose sum is σ = 268802352. Its totient is φ = 147691200.

The previous prime is 200000123. The next prime is 200000131. The reversal of 200000125 is 521000002.

It can be written as a sum of positive squares in 8 ways, for example, as 110376036 + 89624089 = 10506^2 + 9467^2 .

It is not a de Polignac number, because 200000125 - 2¹ = 200000123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000123) 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, 59914 + ... + 63163.

It is an arithmetic number, because the mean of its divisors is an integer number (16800147).

Almost surely, 2^200000125 is an apocalyptic number.

200000125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200000125 is a deficient number, since it is larger than the sum of its proper divisors (68802227).

200000125 is a wasteful number, since it uses less digits than its factorization.

200000125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123105 (or 123095 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 200000125 is about 14142.1400431476. The cubic root of 200000125 is about 584.8036694766.

Adding to 200000125 its reverse (521000002), we get a palindrome (721000127).

It can be divided in two parts, 200000 and 125, that multiplied together give a square (25000000 = 5000²).

The spelling of 200000125 in words is "two hundred million, one hundred twenty-five", and thus it is an aban number.