125424171465 has 32 divisors (see below), whose sum is σ = 207497321472. Its totient is φ = 64627200000.

The previous prime is 125424171407. The next prime is 125424171469. The reversal of 125424171465 is 564171424521.

It is not a de Polignac number, because 125424171465 - 2¹¹ = 125424169417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125424171469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55065 + ... + 503865.

It is an arithmetic number, because the mean of its divisors is an integer number (6484291296).

Almost surely, 2^125424171465 is an apocalyptic number.

125424171465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125424171465 is a deficient number, since it is larger than the sum of its proper divisors (82073150007).

125424171465 is a wasteful number, since it uses less digits than its factorization.

125424171465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449441.

The product of its digits is 268800, while the sum is 42.

Adding to 125424171465 its reverse (564171424521), we get a palindrome (689595595986).

The spelling of 125424171465 in words is "one hundred twenty-five billion, four hundred twenty-four million, one hundred seventy-one thousand, four hundred sixty-five".