125272384185 has 32 divisors (see below), whose sum is σ = 215941033728. Its totient is φ = 61647678720.

The previous prime is 125272384151. The next prime is 125272384189. The reversal of 125272384185 is 581483272521.

It is not a de Polignac number, because 125272384185 - 2²¹ = 125270287033 is a prime.

It is a super-2 number, since 2×125272384185² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (125272384189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359755 + ... + 616415.

It is an arithmetic number, because the mean of its divisors is an integer number (6748157304).

Almost surely, 2^125272384185 is an apocalyptic number.

125272384185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125272384185 is a deficient number, since it is larger than the sum of its proper divisors (90668649543).

125272384185 is a wasteful number, since it uses less digits than its factorization.

125272384185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259185.

The product of its digits is 1075200, while the sum is 48.

The spelling of 125272384185 in words is "one hundred twenty-five billion, two hundred seventy-two million, three hundred eighty-four thousand, one hundred eighty-five".