125287197 has 16 divisors (see below), whose sum is σ = 200962560. Its totient is φ = 67824432.

The previous prime is 125287193. The next prime is 125287219. The reversal of 125287197 is 791782521.

It is not a de Polignac number, because 125287197 - 2² = 125287193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125287193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156603 + ... + 157400.

It is an arithmetic number, because the mean of its divisors is an integer number (12560160).

Almost surely, 2^125287197 is an apocalyptic number.

It is an amenable number.

125287197 is a deficient number, since it is larger than the sum of its proper divisors (75675363).

125287197 is a wasteful number, since it uses less digits than its factorization.

125287197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314032.

The product of its digits is 70560, while the sum is 42.

The square root of 125287197 is about 11193.1763588358. The cubic root of 125287197 is about 500.3826364374.

The spelling of 125287197 in words is "one hundred twenty-five million, two hundred eighty-seven thousand, one hundred ninety-seven".