126671167 has 4 divisors (see below), whose sum is σ = 144767056. Its totient is φ = 108575280.

The previous prime is 126671161. The next prime is 126671179. The reversal of 126671167 is 761176621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761176621 = 73 ⋅10427077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126671167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126671161) 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, 9047934 + ... + 9047947.

It is an arithmetic number, because the mean of its divisors is an integer number (36191764).

Almost surely, 2^126671167 is an apocalyptic number.

126671167 is a deficient number, since it is larger than the sum of its proper divisors (18095889).

126671167 is an equidigital number, since it uses as much as digits as its factorization.

126671167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18095888.

The product of its digits is 21168, while the sum is 37.

The square root of 126671167 is about 11254.8286082019. The cubic root of 126671167 is about 502.2183658170.

The spelling of 126671167 in words is "one hundred twenty-six million, six hundred seventy-one thousand, one hundred sixty-seven".