126374429 has 2 divisors, whose sum is σ = 126374430. Its totient is φ = 126374428.

The previous prime is 126374407. The next prime is 126374449. The reversal of 126374429 is 924473621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74563225 + 51811204 = 8635^2 + 7198^2 .

It is an emirp because it is prime and its reverse (924473621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126374429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126374392 and 126374401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126374449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63187214 + 63187215.

It is an arithmetic number, because the mean of its divisors is an integer number (63187215).

Almost surely, 2^126374429 is an apocalyptic number.

It is an amenable number.

126374429 is a deficient number, since it is larger than the sum of its proper divisors (1).

126374429 is an equidigital number, since it uses as much as digits as its factorization.

126374429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 126374429 is about 11241.6381813328. The cubic root of 126374429 is about 501.8258960905.

The spelling of 126374429 in words is "one hundred twenty-six million, three hundred seventy-four thousand, four hundred twenty-nine".