125442017 has 2 divisors, whose sum is σ = 125442018. Its totient is φ = 125442016.

The previous prime is 125441993. The next prime is 125442041. The reversal of 125442017 is 710244521.

It is a balanced prime because it is at equal distance from previous prime (125441993) and next prime (125442041).

It can be written as a sum of positive squares in only one way, i.e., 101929216 + 23512801 = 10096^2 + 4849^2 .

It is a cyclic number.

It is not a de Polignac number, because 125442017 - 2⁸ = 125441761 is a prime.

It is not a weakly prime, because it can be changed into another prime (125442077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62721008 + 62721009.

It is an arithmetic number, because the mean of its divisors is an integer number (62721009).

Almost surely, 2^125442017 is an apocalyptic number.

It is an amenable number.

125442017 is a deficient number, since it is larger than the sum of its proper divisors (1).

125442017 is an equidigital number, since it uses as much as digits as its factorization.

125442017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 125442017 is about 11200.0900442809. The cubic root of 125442017 is about 500.5886626805.

Adding to 125442017 its reverse (710244521), we get a palindrome (835686538).

The spelling of 125442017 in words is "one hundred twenty-five million, four hundred forty-two thousand, seventeen".