40125199 has 2 divisors, whose sum is σ = 40125200. Its totient is φ = 40125198.

The previous prime is 40125193. The next prime is 40125203. The reversal of 40125199 is 99152104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40125199 - 2⁵ = 40125167 is a prime.

It is a super-2 number, since 2×40125199² = 3220063189579202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40125199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40125193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20062599 + 20062600.

It is an arithmetic number, because the mean of its divisors is an integer number (20062600).

Almost surely, 2^40125199 is an apocalyptic number.

40125199 is a deficient number, since it is larger than the sum of its proper divisors (1).

40125199 is an equidigital number, since it uses as much as digits as its factorization.

40125199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 40125199 is about 6334.4454374475. The cubic root of 40125199 is about 342.3516298412.

It can be divided in two parts, 401 and 25199, that added together give a square (25600 = 160²).

The spelling of 40125199 in words is "forty million, one hundred twenty-five thousand, one hundred ninety-nine".