125321041 has 2 divisors, whose sum is σ = 125321042. Its totient is φ = 125321040.

The previous prime is 125321039. The next prime is 125321087. The reversal of 125321041 is 140123521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86881041 + 38440000 = 9321^2 + 6200^2 .

It is a cyclic number.

It is not a de Polignac number, because 125321041 - 2¹ = 125321039 is a prime.

Together with 125321039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125321741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62660520 + 62660521.

It is an arithmetic number, because the mean of its divisors is an integer number (62660521).

Almost surely, 2^125321041 is an apocalyptic number.

It is an amenable number.

125321041 is a deficient number, since it is larger than the sum of its proper divisors (1).

125321041 is an equidigital number, since it uses as much as digits as its factorization.

125321041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 125321041 is about 11194.6880706878. The cubic root of 125321041 is about 500.4276887271.

Adding to 125321041 its reverse (140123521), we get a palindrome (265444562).

The spelling of 125321041 in words is "one hundred twenty-five million, three hundred twenty-one thousand, forty-one".