126875767 has 4 divisors (see below), whose sum is σ = 126906480. Its totient is φ = 126845056.

The previous prime is 126875759. The next prime is 126875813. The reversal of 126875767 is 767578621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 767578621 = 199 ⋅3857179.

It is a cyclic number.

It is not a de Polignac number, because 126875767 - 2³ = 126875759 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 126875767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126875167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7978 + ... + 17815.

It is an arithmetic number, because the mean of its divisors is an integer number (31726620).

Almost surely, 2^126875767 is an apocalyptic number.

126875767 is a deficient number, since it is larger than the sum of its proper divisors (30713).

126875767 is an equidigital number, since it uses as much as digits as its factorization.

126875767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30712.

The product of its digits is 987840, while the sum is 49.

The square root of 126875767 is about 11263.9143728990. The cubic root of 126875767 is about 502.4886157004.

The spelling of 126875767 in words is "one hundred twenty-six million, eight hundred seventy-five thousand, seven hundred sixty-seven".