125105413 has 2 divisors, whose sum is σ = 125105414. Its totient is φ = 125105412.

The previous prime is 125105411. The next prime is 125105417. The reversal of 125105413 is 314501521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113592964 + 11512449 = 10658^2 + 3393^2 .

It is an emirp because it is prime and its reverse (314501521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125105413 - 2¹ = 125105411 is a prime.

Together with 125105411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125105411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62552706 + 62552707.

It is an arithmetic number, because the mean of its divisors is an integer number (62552707).

Almost surely, 2^125105413 is an apocalyptic number.

It is an amenable number.

125105413 is a deficient number, since it is larger than the sum of its proper divisors (1).

125105413 is an equidigital number, since it uses as much as digits as its factorization.

125105413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125105413 is about 11185.0531067134. The cubic root of 125105413 is about 500.1405111762.

Adding to 125105413 its reverse (314501521), we get a palindrome (439606934).

The spelling of 125105413 in words is "one hundred twenty-five million, one hundred five thousand, four hundred thirteen".