125341109 has 2 divisors, whose sum is σ = 125341110. Its totient is φ = 125341108.

The previous prime is 125341093. The next prime is 125341123. The reversal of 125341109 is 901143521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105001009 + 20340100 = 10247^2 + 4510^2 .

It is a cyclic number.

It is not a de Polignac number, because 125341109 - 2⁴ = 125341093 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 (125341129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62670554 + 62670555.

It is an arithmetic number, because the mean of its divisors is an integer number (62670555).

Almost surely, 2^125341109 is an apocalyptic number.

It is an amenable number.

125341109 is a deficient number, since it is larger than the sum of its proper divisors (1).

125341109 is an equidigital number, since it uses as much as digits as its factorization.

125341109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 125341109 is about 11195.5843527705. The cubic root of 125341109 is about 500.4543989181.

The spelling of 125341109 in words is "one hundred twenty-five million, three hundred forty-one thousand, one hundred nine".