125000143 has 4 divisors (see below), whose sum is σ = 125022888. Its totient is φ = 124977400.

The previous prime is 125000089. The next prime is 125000149. The reversal of 125000143 is 341000521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341000521 = 941 ⋅362381.

It is a cyclic number.

It is not a de Polignac number, because 125000143 - 2¹⁷ = 124869071 is a prime.

It is a Duffinian number.

125000143 is a modest number, since divided by 143 gives 125 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125000149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (31255722).

Almost surely, 2^125000143 is an apocalyptic number.

125000143 is a deficient number, since it is larger than the sum of its proper divisors (22745).

125000143 is an equidigital number, since it uses as much as digits as its factorization.

125000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22744.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 125000143 is about 11180.3462826515. The cubic root of 125000143 is about 500.0001906666. Note that the first 3 decimals are identical.

Adding to 125000143 its reverse (341000521), we get a palindrome (466000664).

The spelling of 125000143 in words is "one hundred twenty-five million, one hundred forty-three", and thus it is an aban number.