126360613 has 2 divisors, whose sum is σ = 126360614. Its totient is φ = 126360612.

The previous prime is 126360601. The next prime is 126360629. The reversal of 126360613 is 316063621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120494529 + 5866084 = 10977^2 + 2422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126360613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126360653) 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, 63180306 + 63180307.

It is an arithmetic number, because the mean of its divisors is an integer number (63180307).

Almost surely, 2^126360613 is an apocalyptic number.

It is an amenable number.

126360613 is a deficient number, since it is larger than the sum of its proper divisors (1).

126360613 is an equidigital number, since it uses as much as digits as its factorization.

126360613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 126360613 is about 11241.0236633502. The cubic root of 126360613 is about 501.8076078990.

The spelling of 126360613 in words is "one hundred twenty-six million, three hundred sixty thousand, six hundred thirteen".