125641101 has 16 divisors (see below), whose sum is σ = 177660864. Its totient is φ = 78706944.

The previous prime is 125641081. The next prime is 125641123. The reversal of 125641101 is 101146521.

It is not a de Polignac number, because 125641101 - 2⁹ = 125640589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125641301) 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, 37830 + ... + 41016.

It is an arithmetic number, because the mean of its divisors is an integer number (11103804).

Almost surely, 2^125641101 is an apocalyptic number.

It is an amenable number.

125641101 is a deficient number, since it is larger than the sum of its proper divisors (52019763).

125641101 is a wasteful number, since it uses less digits than its factorization.

125641101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 125641101 is about 11208.9741279031. The cubic root of 125641101 is about 500.8533441124.

Adding to 125641101 its reverse (101146521), we get a palindrome (226787622).

The spelling of 125641101 in words is "one hundred twenty-five million, six hundred forty-one thousand, one hundred one".