126359399 has 2 divisors, whose sum is σ = 126359400. Its totient is φ = 126359398.

The previous prime is 126359377. The next prime is 126359407. The reversal of 126359399 is 993953621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126359399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126359369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63179699 + 63179700.

It is an arithmetic number, because the mean of its divisors is an integer number (63179700).

Almost surely, 2^126359399 is an apocalyptic number.

126359399 is a deficient number, since it is larger than the sum of its proper divisors (1).

126359399 is an equidigital number, since it uses as much as digits as its factorization.

126359399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 47.

The square root of 126359399 is about 11240.9696645797. The cubic root of 126359399 is about 501.8060008677.

The spelling of 126359399 in words is "one hundred twenty-six million, three hundred fifty-nine thousand, three hundred ninety-nine".