40072125 has 16 divisors (see below), whose sum is σ = 66680640. Its totient is φ = 21371600.

The previous prime is 40072117. The next prime is 40072139. The reversal of 40072125 is 52127004.

It is not a de Polignac number, because 40072125 - 2³ = 40072117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53055 + ... + 53804.

It is an arithmetic number, because the mean of its divisors is an integer number (4167540).

Almost surely, 2^40072125 is an apocalyptic number.

It is an amenable number.

40072125 is a deficient number, since it is larger than the sum of its proper divisors (26608515).

40072125 is a wasteful number, since it uses less digits than its factorization.

40072125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106877 (or 106867 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40072125 is about 6330.2547342109. The cubic root of 40072125 is about 342.2006192714.

Adding to 40072125 its reverse (52127004), we get a palindrome (92199129).

The spelling of 40072125 in words is "forty million, seventy-two thousand, one hundred twenty-five".