126461567 has 4 divisors (see below), whose sum is σ = 131959920. Its totient is φ = 120963216.

The previous prime is 126461563. The next prime is 126461591. The reversal of 126461567 is 765164621.

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 126461567 - 2² = 126461563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126461567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126461561) 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, 2749142 + ... + 2749187.

It is an arithmetic number, because the mean of its divisors is an integer number (32989980).

Almost surely, 2^126461567 is an apocalyptic number.

126461567 is a deficient number, since it is larger than the sum of its proper divisors (5498353).

126461567 is an equidigital number, since it uses as much as digits as its factorization.

126461567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498352.

The product of its digits is 60480, while the sum is 38.

The square root of 126461567 is about 11245.5131941588. The cubic root of 126461567 is about 501.9412096567.

The spelling of 126461567 in words is "one hundred twenty-six million, four hundred sixty-one thousand, five hundred sixty-seven".