125107313 has 2 divisors, whose sum is σ = 125107314. Its totient is φ = 125107312.

The previous prime is 125107309. The next prime is 125107331. The reversal of 125107313 is 313701521.

Together with next prime (125107331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85063729 + 40043584 = 9223^2 + 6328^2 .

It is a cyclic number.

It is not a de Polignac number, because 125107313 - 2² = 125107309 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125103313) 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, 62553656 + 62553657.

It is an arithmetic number, because the mean of its divisors is an integer number (62553657).

Almost surely, 2^125107313 is an apocalyptic number.

It is an amenable number.

125107313 is a deficient number, since it is larger than the sum of its proper divisors (1).

125107313 is an equidigital number, since it uses as much as digits as its factorization.

125107313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 125107313 is about 11185.1380411687. The cubic root of 125107313 is about 500.1430430735.

Adding to 125107313 its reverse (313701521), we get a palindrome (438808834).

The spelling of 125107313 in words is "one hundred twenty-five million, one hundred seven thousand, three hundred thirteen".