125136101 has 8 divisors (see below), whose sum is σ = 127189920. Its totient is φ = 123087888.

The previous prime is 125136049. The next prime is 125136103. The reversal of 125136101 is 101631521.

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 125136101 - 2¹⁰ = 125135077 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 86855 + ... + 88283.

It is an arithmetic number, because the mean of its divisors is an integer number (15898740).

Almost surely, 2^125136101 is an apocalyptic number.

It is an amenable number.

125136101 is a deficient number, since it is larger than the sum of its proper divisors (2053819).

125136101 is a wasteful number, since it uses less digits than its factorization.

125136101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 125136101 is about 11186.4248533658. The cubic root of 125136101 is about 500.1814021785.

Adding to 125136101 its reverse (101631521), we get a palindrome (226767622).

The spelling of 125136101 in words is "one hundred twenty-five million, one hundred thirty-six thousand, one hundred one".