125432017 has 2 divisors, whose sum is σ = 125432018. Its totient is φ = 125432016.

The previous prime is 125432009. The next prime is 125432029. The reversal of 125432017 is 710234521.

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., 72999936 + 52432081 = 8544^2 + 7241^2 .

It is a cyclic number.

It is not a de Polignac number, because 125432017 - 2³ = 125432009 is a prime.

It is equal to p_7133353 and since 125432017 and 7133353 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 125431982 and 125432000.

It is not a weakly prime, because it can be changed into another prime (125432617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62716008 + 62716009.

It is an arithmetic number, because the mean of its divisors is an integer number (62716009).

Almost surely, 2^125432017 is an apocalyptic number.

It is an amenable number.

125432017 is a deficient number, since it is larger than the sum of its proper divisors (1).

125432017 is an equidigital number, since it uses as much as digits as its factorization.

125432017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 125432017 is about 11199.6436104012. The cubic root of 125432017 is about 500.5753603337.

Adding to 125432017 its reverse (710234521), we get a palindrome (835666538).

The spelling of 125432017 in words is "one hundred twenty-five million, four hundred thirty-two thousand, seventeen".