125289101 has 8 divisors (see below), whose sum is σ = 143342784. Its totient is φ = 107274240.

The previous prime is 125289091. The next prime is 125289121. The reversal of 125289101 is 101982521.

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 125289101 - 2¹⁰ = 125288077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125289121) 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, 2420 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (17917848).

Almost surely, 2^125289101 is an apocalyptic number.

It is an amenable number.

125289101 is a deficient number, since it is larger than the sum of its proper divisors (18053683).

125289101 is an equidigital number, since it uses as much as digits as its factorization.

125289101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19411.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 125289101 is about 11193.2614103308. The cubic root of 125289101 is about 500.3851712101.

The spelling of 125289101 in words is "one hundred twenty-five million, two hundred eighty-nine thousand, one hundred one".