126632071 has 2 divisors, whose sum is σ = 126632072. Its totient is φ = 126632070.

The previous prime is 126632069. The next prime is 126632123. The reversal of 126632071 is 170236621.

It is a weak prime.

It is an emirp because it is prime and its reverse (170236621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126632071 - 2¹ = 126632069 is a prime.

Together with 126632069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126632041) 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, 63316035 + 63316036.

It is an arithmetic number, because the mean of its divisors is an integer number (63316036).

Almost surely, 2^126632071 is an apocalyptic number.

126632071 is a deficient number, since it is larger than the sum of its proper divisors (1).

126632071 is an equidigital number, since it uses as much as digits as its factorization.

126632071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 126632071 is about 11253.0916196395. The cubic root of 126632071 is about 502.1666919961.

Adding to 126632071 its reverse (170236621), we get a palindrome (296868692).

The spelling of 126632071 in words is "one hundred twenty-six million, six hundred thirty-two thousand, seventy-one".