125474429 has 2 divisors, whose sum is σ = 125474430. Its totient is φ = 125474428.

The previous prime is 125474417. The next prime is 125474431. The reversal of 125474429 is 924474521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116683204 + 8791225 = 10802^2 + 2965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125474429 is a prime.

Together with 125474431, 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 = 125474392 and 125474401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125474929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62737214 + 62737215.

It is an arithmetic number, because the mean of its divisors is an integer number (62737215).

Almost surely, 2^125474429 is an apocalyptic number.

It is an amenable number.

125474429 is a deficient number, since it is larger than the sum of its proper divisors (1).

125474429 is an equidigital number, since it uses as much as digits as its factorization.

125474429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 125474429 is about 11201.5369034789. The cubic root of 125474429 is about 500.6317733886.

The spelling of 125474429 in words is "one hundred twenty-five million, four hundred seventy-four thousand, four hundred twenty-nine".