126772463 has 4 divisors (see below), whose sum is σ = 127331160. Its totient is φ = 126213768.

The previous prime is 126772453. The next prime is 126772469. The reversal of 126772463 is 364277621.

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

It is a cyclic number.

It is not a de Polignac number, because 126772463 - 2¹⁶ = 126706927 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 (126772469) 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 in 3 ways as a sum of consecutive naturals, for example, 279008 + ... + 279461.

It is an arithmetic number, because the mean of its divisors is an integer number (31832790).

Almost surely, 2^126772463 is an apocalyptic number.

126772463 is a deficient number, since it is larger than the sum of its proper divisors (558697).

126772463 is an equidigital number, since it uses as much as digits as its factorization.

126772463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558696.

The product of its digits is 84672, while the sum is 38.

The square root of 126772463 is about 11259.3278218551. The cubic root of 126772463 is about 502.3522009489.

The spelling of 126772463 in words is "one hundred twenty-six million, seven hundred seventy-two thousand, four hundred sixty-three".