126067987 has 2 divisors, whose sum is σ = 126067988. Its totient is φ = 126067986.

The previous prime is 126067969. The next prime is 126068011. The reversal of 126067987 is 789760621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126067987 is a prime.

It is not a weakly prime, because it can be changed into another prime (126067957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63033993 + 63033994.

It is an arithmetic number, because the mean of its divisors is an integer number (63033994).

Almost surely, 2^126067987 is an apocalyptic number.

126067987 is a deficient number, since it is larger than the sum of its proper divisors (1).

126067987 is an equidigital number, since it uses as much as digits as its factorization.

126067987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 126067987 is about 11228.0001335946. Note that the first 3 decimals coincide. The cubic root of 126067987 is about 501.4199463541.

The spelling of 126067987 in words is "one hundred twenty-six million, sixty-seven thousand, nine hundred eighty-seven".