125772187 has 8 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 123011304.

The previous prime is 125772181. The next prime is 125772193. The reversal of 125772187 is 781277521.

It is an interprime number because it is at equal distance from previous prime (125772181) and next prime (125772193).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125772187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125772181) 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, 1014 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (16070400).

Almost surely, 2^125772187 is an apocalyptic number.

125772187 is a deficient number, since it is larger than the sum of its proper divisors (2791013).

125772187 is a wasteful number, since it uses less digits than its factorization.

125772187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15065.

The product of its digits is 54880, while the sum is 40.

The square root of 125772187 is about 11214.8199718052. The cubic root of 125772187 is about 501.0274698319.

The spelling of 125772187 in words is "one hundred twenty-five million, seven hundred seventy-two thousand, one hundred eighty-seven".