125132005 has 16 divisors (see below), whose sum is σ = 158371200. Its totient is φ = 94651200.

The previous prime is 125131999. The next prime is 125132009. The reversal of 125132005 is 500231521.

It is not a de Polignac number, because 125132005 - 2⁵ = 125131973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125132009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65656 + ... + 67534.

It is an arithmetic number, because the mean of its divisors is an integer number (9898200).

Almost surely, 2^125132005 is an apocalyptic number.

It is an amenable number.

125132005 is a deficient number, since it is larger than the sum of its proper divisors (33239195).

125132005 is a wasteful number, since it uses less digits than its factorization.

125132005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 125132005 is about 11186.2417728208. The cubic root of 125132005 is about 500.1759447463.

Adding to 125132005 its reverse (500231521), we get a palindrome (625363526).

The spelling of 125132005 in words is "one hundred twenty-five million, one hundred thirty-two thousand, five".