125643371 has 8 divisors (see below), whose sum is σ = 151150080. Its totient is φ = 102026088.

The previous prime is 125643317. The next prime is 125643431. The reversal of 125643371 is 173346521.

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 125643371 - 2¹⁰ = 125642347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125643071) 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, 472211 + ... + 472476.

It is an arithmetic number, because the mean of its divisors is an integer number (18893760).

Almost surely, 2^125643371 is an apocalyptic number.

125643371 is a deficient number, since it is larger than the sum of its proper divisors (25506709).

125643371 is an equidigital number, since it uses as much as digits as its factorization.

125643371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944713.

The product of its digits is 15120, while the sum is 32.

The square root of 125643371 is about 11209.0753855972. The cubic root of 125643371 is about 500.8563604562.

Adding to 125643371 its reverse (173346521), we get a palindrome (298989892).

The spelling of 125643371 in words is "one hundred twenty-five million, six hundred forty-three thousand, three hundred seventy-one".