40112125 has 16 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 31923600.

The previous prime is 40112123. The next prime is 40112131. The reversal of 40112125 is 52121104.

It is not a de Polignac number, because 40112125 - 2¹ = 40112123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40112099 and 40112108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112123) 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, 27156 + ... + 28594.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^40112125 is an apocalyptic number.

It is an amenable number.

40112125 is a deficient number, since it is larger than the sum of its proper divisors (10207235).

40112125 is a wasteful number, since it uses less digits than its factorization.

40112125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 40112125 is about 6333.4133766872. The cubic root of 40112125 is about 342.3144429733.

Adding to 40112125 its reverse (52121104), we get a palindrome (92233229).

The spelling of 40112125 in words is "forty million, one hundred twelve thousand, one hundred twenty-five".