125148191 has 8 divisors (see below), whose sum is σ = 144443424. Its totient is φ = 106207200.

The previous prime is 125148187. The next prime is 125148217. The reversal of 125148191 is 191841521.

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 125148191 - 2² = 125148187 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 (125148181) 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, 87800 + ... + 89213.

It is an arithmetic number, because the mean of its divisors is an integer number (18055428).

Almost surely, 2^125148191 is an apocalyptic number.

125148191 is a deficient number, since it is larger than the sum of its proper divisors (19295233).

125148191 is a wasteful number, since it uses less digits than its factorization.

125148191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177121.

The product of its digits is 2880, while the sum is 32.

The square root of 125148191 is about 11186.9652274422. The cubic root of 125148191 is about 500.1975099694.

The spelling of 125148191 in words is "one hundred twenty-five million, one hundred forty-eight thousand, one hundred ninety-one".