125433403 has 2 divisors, whose sum is σ = 125433404. Its totient is φ = 125433402.

The previous prime is 125433397. The next prime is 125433419. The reversal of 125433403 is 304334521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125433403 - 2⁹ = 125432891 is a prime.

It is not a weakly prime, because it can be changed into another prime (125433433) 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 as a sum of consecutive naturals, namely, 62716701 + 62716702.

It is an arithmetic number, because the mean of its divisors is an integer number (62716702).

Almost surely, 2^125433403 is an apocalyptic number.

125433403 is a deficient number, since it is larger than the sum of its proper divisors (1).

125433403 is an equidigital number, since it uses as much as digits as its factorization.

125433403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 125433403 is about 11199.7054871992. The cubic root of 125433403 is about 500.5772040812.

Adding to 125433403 its reverse (304334521), we get a palindrome (429767924).

The spelling of 125433403 in words is "one hundred twenty-five million, four hundred thirty-three thousand, four hundred three".