40712125 has 8 divisors (see below), whose sum is σ = 50808888. Its totient is φ = 32569600.

The previous prime is 40712101. The next prime is 40712129. The reversal of 40712125 is 52121704.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 40284409 = 654^2 + 6347^2 .

It is not a de Polignac number, because 40712125 - 2⁷ = 40711997 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 40712096 and 40712105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40712129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162724 + ... + 162973.

It is an arithmetic number, because the mean of its divisors is an integer number (6351111).

Almost surely, 2^40712125 is an apocalyptic number.

It is an amenable number.

40712125 is a deficient number, since it is larger than the sum of its proper divisors (10096763).

40712125 is an equidigital number, since it uses as much as digits as its factorization.

40712125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325712 (or 325702 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 40712125 is about 6380.6053788022. The cubic root of 40712125 is about 344.0127907854.

Adding to 40712125 its reverse (52121704), we get a palindrome (92833829).

The spelling of 40712125 in words is "forty million, seven hundred twelve thousand, one hundred twenty-five".