125115671 has 2 divisors, whose sum is σ = 125115672. Its totient is φ = 125115670.

The previous prime is 125115667. The next prime is 125115673. The reversal of 125115671 is 176511521.

It is a strong prime.

It is an emirp because it is prime and its reverse (176511521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125115671 - 2² = 125115667 is a prime.

It is a super-2 number, since 2×125115671² = 31307862259560482, which contains 22 as substring.

Together with 125115673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125115673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62557835 + 62557836.

It is an arithmetic number, because the mean of its divisors is an integer number (62557836).

Almost surely, 2^125115671 is an apocalyptic number.

125115671 is a deficient number, since it is larger than the sum of its proper divisors (1).

125115671 is an equidigital number, since it uses as much as digits as its factorization.

125115671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 29.

The square root of 125115671 is about 11185.5116557089. The cubic root of 125115671 is about 500.1541804519.

The spelling of 125115671 in words is "one hundred twenty-five million, one hundred fifteen thousand, six hundred seventy-one".