125435039 has 2 divisors, whose sum is σ = 125435040. Its totient is φ = 125435038.

The previous prime is 125435033. The next prime is 125435041. The reversal of 125435039 is 930534521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125435039 - 2⁸ = 125434783 is a prime.

Together with 125435041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125434996 and 125435014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125435033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62717519 + 62717520.

It is an arithmetic number, because the mean of its divisors is an integer number (62717520).

Almost surely, 2^125435039 is an apocalyptic number.

125435039 is a deficient number, since it is larger than the sum of its proper divisors (1).

125435039 is an equidigital number, since it uses as much as digits as its factorization.

125435039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 125435039 is about 11199.7785245959. The cubic root of 125435039 is about 500.5793803774.

The spelling of 125435039 in words is "one hundred twenty-five million, four hundred thirty-five thousand, thirty-nine".