126321607 has 2 divisors, whose sum is σ = 126321608. Its totient is φ = 126321606.

The previous prime is 126321551. The next prime is 126321619. The reversal of 126321607 is 706123621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126321607 - 2¹¹ = 126319559 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126321707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63160803 + 63160804.

It is an arithmetic number, because the mean of its divisors is an integer number (63160804).

Almost surely, 2^126321607 is an apocalyptic number.

126321607 is a deficient number, since it is larger than the sum of its proper divisors (1).

126321607 is an equidigital number, since it uses as much as digits as its factorization.

126321607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 126321607 is about 11239.2885450993. The cubic root of 126321607 is about 501.7559685960.

The spelling of 126321607 in words is "one hundred twenty-six million, three hundred twenty-one thousand, six hundred seven".