125538167 has 2 divisors, whose sum is σ = 125538168. Its totient is φ = 125538166.

The previous prime is 125538143. The next prime is 125538221. The reversal of 125538167 is 761835521.

It is a weak prime.

It is an emirp because it is prime and its reverse (761835521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125538167 - 2¹⁸ = 125276023 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125538167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125538067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62769083 + 62769084.

It is an arithmetic number, because the mean of its divisors is an integer number (62769084).

Almost surely, 2^125538167 is an apocalyptic number.

125538167 is a deficient number, since it is larger than the sum of its proper divisors (1).

125538167 is an equidigital number, since it uses as much as digits as its factorization.

125538167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The square root of 125538167 is about 11204.3815982856. The cubic root of 125538167 is about 500.7165286828.

The spelling of 125538167 in words is "one hundred twenty-five million, five hundred thirty-eight thousand, one hundred sixty-seven".