126387073 has 2 divisors, whose sum is σ = 126387074. Its totient is φ = 126387072.

The previous prime is 126387043. The next prime is 126387113. The reversal of 126387073 is 370783621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82137969 + 44249104 = 9063^2 + 6652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126387073 is a prime.

It is equal to p_7184584 and since 126387073 and 7184584 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (126387013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63193536 + 63193537.

It is an arithmetic number, because the mean of its divisors is an integer number (63193537).

Almost surely, 2^126387073 is an apocalyptic number.

It is an amenable number.

126387073 is a deficient number, since it is larger than the sum of its proper divisors (1).

126387073 is an equidigital number, since it uses as much as digits as its factorization.

126387073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 126387073 is about 11242.2005408194. The cubic root of 126387073 is about 501.8426317415.

The spelling of 126387073 in words is "one hundred twenty-six million, three hundred eighty-seven thousand, seventy-three".