126137087 has 2 divisors, whose sum is σ = 126137088. Its totient is φ = 126137086.

The previous prime is 126137071. The next prime is 126137101. The reversal of 126137087 is 780731621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126137087 - 2⁴ = 126137071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126137287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63068543 + 63068544.

It is an arithmetic number, because the mean of its divisors is an integer number (63068544).

Almost surely, 2^126137087 is an apocalyptic number.

126137087 is a deficient number, since it is larger than the sum of its proper divisors (1).

126137087 is an equidigital number, since it uses as much as digits as its factorization.

126137087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 126137087 is about 11231.0768406240. The cubic root of 126137087 is about 501.5115418776.

The spelling of 126137087 in words is "one hundred twenty-six million, one hundred thirty-seven thousand, eighty-seven".