126647463 has 4 divisors (see below), whose sum is σ = 168863288. Its totient is φ = 84431640.

The previous prime is 126647441. The next prime is 126647471. The reversal of 126647463 is 364746621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 126647463 - 2¹⁸ = 126385319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126647473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21107908 + ... + 21107913.

It is an arithmetic number, because the mean of its divisors is an integer number (42215822).

Almost surely, 2^126647463 is an apocalyptic number.

126647463 is a deficient number, since it is larger than the sum of its proper divisors (42215825).

126647463 is an equidigital number, since it uses as much as digits as its factorization.

126647463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42215824.

The product of its digits is 145152, while the sum is 39.

The square root of 126647463 is about 11253.7754998045. The cubic root of 126647463 is about 502.1870371227.

The spelling of 126647463 in words is "one hundred twenty-six million, six hundred forty-seven thousand, four hundred sixty-three".