203140125 has 24 divisors (see below), whose sum is σ = 366195960. Its totient is φ = 108340800.

The previous prime is 203140109. The next prime is 203140129. The reversal of 203140125 is 521041302.

203140125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 675684 + 202464441 = 822^2 + 14229^2 .

It is not a de Polignac number, because 203140125 - 2⁴ = 203140109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203140098 and 203140107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203140129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89160 + ... + 91409.

It is an arithmetic number, because the mean of its divisors is an integer number (15258165).

Almost surely, 2^203140125 is an apocalyptic number.

203140125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203140125 is a deficient number, since it is larger than the sum of its proper divisors (163055835).

203140125 is a wasteful number, since it uses less digits than its factorization.

203140125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180590 (or 180577 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 203140125 is about 14252.7234239636. The cubic root of 203140125 is about 587.8482619013.

Adding to 203140125 its reverse (521041302), we get a palindrome (724181427).

The spelling of 203140125 in words is "two hundred three million, one hundred forty thousand, one hundred twenty-five".