67125127 has 4 divisors (see below), whose sum is σ = 67168656. Its totient is φ = 67081600.

The previous prime is 67125073. The next prime is 67125151. The reversal of 67125127 is 72152176.

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 67125127 - 2²³ = 58736519 is a prime.

It is a super-2 number, since 2×67125127² = 9011565349532258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (67125187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19363 + ... + 22564.

It is an arithmetic number, because the mean of its divisors is an integer number (16792164).

Almost surely, 2^67125127 is an apocalyptic number.

67125127 is a deficient number, since it is larger than the sum of its proper divisors (43529).

67125127 is a wasteful number, since it uses less digits than its factorization.

67125127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43528.

The product of its digits is 5880, while the sum is 31.

The square root of 67125127 is about 8192.9925546164. The cubic root of 67125127 is about 406.4074932711.

The spelling of 67125127 in words is "sixty-seven million, one hundred twenty-five thousand, one hundred twenty-seven".