125435029 has 2 divisors, whose sum is σ = 125435030. Its totient is φ = 125435028.

The previous prime is 125434997. The next prime is 125435033. The reversal of 125435029 is 920534521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92602129 + 32832900 = 9623^2 + 5730^2 .

It is a cyclic number.

It is not a de Polignac number, because 125435029 - 2⁵ = 125434997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125435039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62717514 + 62717515.

It is an arithmetic number, because the mean of its divisors is an integer number (62717515).

Almost surely, 2^125435029 is an apocalyptic number.

It is an amenable number.

125435029 is a deficient number, since it is larger than the sum of its proper divisors (1).

125435029 is an equidigital number, since it uses as much as digits as its factorization.

125435029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 125435029 is about 11199.7780781585. The cubic root of 125435029 is about 500.5793670750.

The spelling of 125435029 in words is "one hundred twenty-five million, four hundred thirty-five thousand, twenty-nine".