125011429 has 2 divisors, whose sum is σ = 125011430. Its totient is φ = 125011428.

The previous prime is 125011379. The next prime is 125011459. The reversal of 125011429 is 924110521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104080804 + 20930625 = 10202^2 + 4575^2 .

It is a cyclic number.

It is not a de Polignac number, because 125011429 - 2⁷ = 125011301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125011459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62505714 + 62505715.

It is an arithmetic number, because the mean of its divisors is an integer number (62505715).

Almost surely, 2^125011429 is an apocalyptic number.

It is an amenable number.

125011429 is a deficient number, since it is larger than the sum of its proper divisors (1).

125011429 is an equidigital number, since it uses as much as digits as its factorization.

125011429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 125011429 is about 11180.8509962346. The cubic root of 125011429 is about 500.0152382023.

The spelling of 125011429 in words is "one hundred twenty-five million, eleven thousand, four hundred twenty-nine".