125108213 has 2 divisors, whose sum is σ = 125108214. Its totient is φ = 125108212.

The previous prime is 125108111. The next prime is 125108227. The reversal of 125108213 is 312801521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106977649 + 18130564 = 10343^2 + 4258^2 .

It is a cyclic number.

It is not a de Polignac number, because 125108213 - 2¹² = 125104117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125105213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62554106 + 62554107.

It is an arithmetic number, because the mean of its divisors is an integer number (62554107).

Almost surely, 2^125108213 is an apocalyptic number.

It is an amenable number.

125108213 is a deficient number, since it is larger than the sum of its proper divisors (1).

125108213 is an equidigital number, since it uses as much as digits as its factorization.

125108213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 125108213 is about 11185.1782730540. The cubic root of 125108213 is about 500.1442423843.

Adding to 125108213 its reverse (312801521), we get a palindrome (437909734).

The spelling of 125108213 in words is "one hundred twenty-five million, one hundred eight thousand, two hundred thirteen".