125125105 has 8 divisors (see below), whose sum is σ = 171600192. Its totient is φ = 85800048.

The previous prime is 125125057. The next prime is 125125109. The reversal of 125125105 is 501521521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125125105 - 2¹¹ = 125123057 is a prime.

It is a super-2 number, since 2×125125105² = 31312583802522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125125109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787467 + ... + 1787536.

It is an arithmetic number, because the mean of its divisors is an integer number (21450024).

Almost surely, 2^125125105 is an apocalyptic number.

It is an amenable number.

125125105 is a deficient number, since it is larger than the sum of its proper divisors (46475087).

125125105 is an equidigital number, since it uses as much as digits as its factorization.

125125105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575015.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 125125105 is about 11185.9333539942. The cubic root of 125125105 is about 500.1667510487.

Adding to 125125105 its reverse (501521521), we get a palindrome (626646626).

The spelling of 125125105 in words is "one hundred twenty-five million, one hundred twenty-five thousand, one hundred five".