125136105 has 8 divisors (see below), whose sum is σ = 200217792. Its totient is φ = 66739248.

The previous prime is 125136103. The next prime is 125136107. The reversal of 125136105 is 501631521.

It is an interprime number because it is at equal distance from previous prime (125136103) and next prime (125136107).

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

It is not a de Polignac number, because 125136105 - 2¹ = 125136103 is a prime.

It is a super-3 number, since 3×125136105³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125136103) 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 7 ways as a sum of consecutive naturals, for example, 4171189 + ... + 4171218.

It is an arithmetic number, because the mean of its divisors is an integer number (25027224).

Almost surely, 2^125136105 is an apocalyptic number.

125136105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125136105 is a deficient number, since it is larger than the sum of its proper divisors (75081687).

125136105 is an equidigital number, since it uses as much as digits as its factorization.

125136105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342415.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 125136105 is about 11186.4250321539. The cubic root of 125136105 is about 500.1814075080.

Adding to 125136105 its reverse (501631521), we get a palindrome (626767626).

The spelling of 125136105 in words is "one hundred twenty-five million, one hundred thirty-six thousand, one hundred five".