40203125 has 28 divisors (see below), whose sum is σ = 52499328. Its totient is φ = 30750000.

The previous prime is 40203101. The next prime is 40203133. The reversal of 40203125 is 52130204.

It is not a de Polignac number, because 40203125 - 2¹⁸ = 39940981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 484334 + ... + 484416.

It is an arithmetic number, because the mean of its divisors is an integer number (1874976).

Almost surely, 2^40203125 is an apocalyptic number.

It is an amenable number.

40203125 is a deficient number, since it is larger than the sum of its proper divisors (12296203).

40203125 is an frugal number, since it uses more digits than its factorization.

40203125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40203125 is about 6340.5934264862. The cubic root of 40203125 is about 342.5731102918.

Adding to 40203125 its reverse (52130204), we get a palindrome (92333329).

The spelling of 40203125 in words is "forty million, two hundred three thousand, one hundred twenty-five".