125451113 has 2 divisors, whose sum is σ = 125451114. Its totient is φ = 125451112.

The previous prime is 125451089. The next prime is 125451119. The reversal of 125451113 is 311154521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92698384 + 32752729 = 9628^2 + 5723^2 .

It is a cyclic number.

It is not a de Polignac number, because 125451113 - 2¹² = 125447017 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (125451119) 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 as a sum of consecutive naturals, namely, 62725556 + 62725557.

It is an arithmetic number, because the mean of its divisors is an integer number (62725557).

Almost surely, 2^125451113 is an apocalyptic number.

It is an amenable number.

125451113 is a deficient number, since it is larger than the sum of its proper divisors (1).

125451113 is an equidigital number, since it uses as much as digits as its factorization.

125451113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 23.

The square root of 125451113 is about 11200.4961050839. The cubic root of 125451113 is about 500.6007618812.

The spelling of 125451113 in words is "one hundred twenty-five million, four hundred fifty-one thousand, one hundred thirteen".