126471487 has 2 divisors, whose sum is σ = 126471488. Its totient is φ = 126471486.

The previous prime is 126471481. The next prime is 126471491. The reversal of 126471487 is 784174621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126471487 - 2¹¹ = 126469439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126471481) 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, 63235743 + 63235744.

It is an arithmetic number, because the mean of its divisors is an integer number (63235744).

Almost surely, 2^126471487 is an apocalyptic number.

126471487 is a deficient number, since it is larger than the sum of its proper divisors (1).

126471487 is an equidigital number, since it uses as much as digits as its factorization.

126471487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 126471487 is about 11245.9542503071. The cubic root of 126471487 is about 501.9543338723.

The spelling of 126471487 in words is "one hundred twenty-six million, four hundred seventy-one thousand, four hundred eighty-seven".