40125671 has 2 divisors, whose sum is σ = 40125672. Its totient is φ = 40125670.

The previous prime is 40125653. The next prime is 40125689. The reversal of 40125671 is 17652104.

It is a balanced prime because it is at equal distance from previous prime (40125653) and next prime (40125689).

It is a cyclic number.

It is not a de Polignac number, because 40125671 - 2²² = 35931367 is a prime.

It is a super-2 number, since 2×40125671² = 3220138946400482, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40125671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40155671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20062835 + 20062836.

It is an arithmetic number, because the mean of its divisors is an integer number (20062836).

Almost surely, 2^40125671 is an apocalyptic number.

40125671 is a deficient number, since it is larger than the sum of its proper divisors (1).

40125671 is an equidigital number, since it uses as much as digits as its factorization.

40125671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 40125671 is about 6334.4826939538. The cubic root of 40125671 is about 342.3529722174.

Adding to 40125671 its reverse (17652104), we get a palindrome (57777775).

The spelling of 40125671 in words is "forty million, one hundred twenty-five thousand, six hundred seventy-one".