40812127 has 2 divisors, whose sum is σ = 40812128. Its totient is φ = 40812126.

The previous prime is 40812119. The next prime is 40812131. The reversal of 40812127 is 72121804.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40812127 - 2³ = 40812119 is a prime.

It is equal to p_2480083 and since 40812127 and 2480083 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40812137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20406063 + 20406064.

It is an arithmetic number, because the mean of its divisors is an integer number (20406064).

Almost surely, 2^40812127 is an apocalyptic number.

40812127 is a deficient number, since it is larger than the sum of its proper divisors (1).

40812127 is an equidigital number, since it uses as much as digits as its factorization.

40812127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 40812127 is about 6388.4369762877. The cubic root of 40812127 is about 344.2942289571.

The spelling of 40812127 in words is "forty million, eight hundred twelve thousand, one hundred twenty-seven".