403242125 has 64 divisors (see below), whose sum is σ = 626476032. Its totient is φ = 254592000.

The previous prime is 403242053. The next prime is 403242139. The reversal of 403242125 is 521242304.

It is a happy number.

It is not a de Polignac number, because 403242125 - 2⁸ = 403241869 is a prime.

It is a super-2 number, since 2×403242125² = 325208422749031250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 403242125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303212 + ... + 304538.

It is an arithmetic number, because the mean of its divisors is an integer number (9788688).

Almost surely, 2^403242125 is an apocalyptic number.

It is an amenable number.

403242125 is a deficient number, since it is larger than the sum of its proper divisors (223233907).

403242125 is a wasteful number, since it uses less digits than its factorization.

403242125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 403242125 is about 20080.8895470295. The cubic root of 403242125 is about 738.7916272210.

Adding to 403242125 its reverse (521242304), we get a palindrome (924484429).

The spelling of 403242125 in words is "four hundred three million, two hundred forty-two thousand, one hundred twenty-five".