125418113 has 2 divisors, whose sum is σ = 125418114. Its totient is φ = 125418112.

The previous prime is 125418101. The next prime is 125418119. The reversal of 125418113 is 311814521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124724224 + 693889 = 11168^2 + 833^2 .

It is an emirp because it is prime and its reverse (311814521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125418113 - 2¹⁸ = 125155969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125418119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62709056 + 62709057.

It is an arithmetic number, because the mean of its divisors is an integer number (62709057).

Almost surely, 2^125418113 is an apocalyptic number.

It is an amenable number.

125418113 is a deficient number, since it is larger than the sum of its proper divisors (1).

125418113 is an equidigital number, since it uses as much as digits as its factorization.

125418113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 26.

The square root of 125418113 is about 11199.0228591605. The cubic root of 125418113 is about 500.5568635757.

The spelling of 125418113 in words is "one hundred twenty-five million, four hundred eighteen thousand, one hundred thirteen".