126364187 has 2 divisors, whose sum is σ = 126364188. Its totient is φ = 126364186.

The previous prime is 126364181. The next prime is 126364207. The reversal of 126364187 is 781463621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126364187 - 2¹⁰ = 126363163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126364187.

It is not a weakly prime, because it can be changed into another prime (126364181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63182093 + 63182094.

It is an arithmetic number, because the mean of its divisors is an integer number (63182094).

Almost surely, 2^126364187 is an apocalyptic number.

126364187 is a deficient number, since it is larger than the sum of its proper divisors (1).

126364187 is an equidigital number, since it uses as much as digits as its factorization.

126364187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 126364187 is about 11241.1826335133. The cubic root of 126364187 is about 501.8123389183.

The spelling of 126364187 in words is "one hundred twenty-six million, three hundred sixty-four thousand, one hundred eighty-seven".