125143303 has 2 divisors, whose sum is σ = 125143304. Its totient is φ = 125143302.

The previous prime is 125143301. The next prime is 125143309. The reversal of 125143303 is 303341521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125143303 - 2¹ = 125143301 is a prime.

Together with 125143301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125143301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62571651 + 62571652.

It is an arithmetic number, because the mean of its divisors is an integer number (62571652).

Almost surely, 2^125143303 is an apocalyptic number.

125143303 is a deficient number, since it is larger than the sum of its proper divisors (1).

125143303 is an equidigital number, since it uses as much as digits as its factorization.

125143303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 125143303 is about 11186.7467567653. The cubic root of 125143303 is about 500.1909976971.

Adding to 125143303 its reverse (303341521), we get a palindrome (428484824).

The spelling of 125143303 in words is "one hundred twenty-five million, one hundred forty-three thousand, three hundred three".