125105101 has 16 divisors (see below), whose sum is σ = 148622400. Its totient is φ = 104025600.

The previous prime is 125105093. The next prime is 125105107. The reversal of 125105101 is 101501521.

It is a cyclic number.

It is not a de Polignac number, because 125105101 - 2³ = 125105093 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 (125105107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4260 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (9288900).

Almost surely, 2^125105101 is an apocalyptic number.

125105101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125105101 is a deficient number, since it is larger than the sum of its proper divisors (23517299).

125105101 is a wasteful number, since it uses less digits than its factorization.

125105101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20700.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 125105101 is about 11185.0391595202. The cubic root of 125105101 is about 500.1400954096.

Adding to 125105101 its reverse (101501521), we get a palindrome (226606622).

The spelling of 125105101 in words is "one hundred twenty-five million, one hundred five thousand, one hundred one".