126030361 has 2 divisors, whose sum is σ = 126030362. Its totient is φ = 126030360.

The previous prime is 126030347. The next prime is 126030397. The reversal of 126030361 is 163030621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114169225 + 11861136 = 10685^2 + 3444^2 .

It is a cyclic number.

It is not a de Polignac number, because 126030361 - 2⁵ = 126030329 is a prime.

It is not a weakly prime, because it can be changed into another prime (126030341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63015180 + 63015181.

It is an arithmetic number, because the mean of its divisors is an integer number (63015181).

Almost surely, 2^126030361 is an apocalyptic number.

It is an amenable number.

126030361 is a deficient number, since it is larger than the sum of its proper divisors (1).

126030361 is an equidigital number, since it uses as much as digits as its factorization.

126030361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 126030361 is about 11226.3244652914. The cubic root of 126030361 is about 501.3700571247.

Adding to 126030361 its reverse (163030621), we get a palindrome (289060982).

The spelling of 126030361 in words is "one hundred twenty-six million, thirty thousand, three hundred sixty-one".