125551195 has 32 divisors (see below), whose sum is σ = 190149120. Its totient is φ = 77303040.

The previous prime is 125551163. The next prime is 125551201. The reversal of 125551195 is 591155521.

It is a happy number.

It is not a de Polignac number, because 125551195 - 2⁵ = 125551163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125551195.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 29991 + ... + 33919.

It is an arithmetic number, because the mean of its divisors is an integer number (5942160).

Almost surely, 2^125551195 is an apocalyptic number.

125551195 is a deficient number, since it is larger than the sum of its proper divisors (64597925).

125551195 is a wasteful number, since it uses less digits than its factorization.

125551195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035.

The product of its digits is 11250, while the sum is 34.

The square root of 125551195 is about 11204.9629629018. The cubic root of 125551195 is about 500.7338490708.

The spelling of 125551195 in words is "one hundred twenty-five million, five hundred fifty-one thousand, one hundred ninety-five".