126677513 has 2 divisors, whose sum is σ = 126677514. Its totient is φ = 126677512.

The previous prime is 126677497. The next prime is 126677519. The reversal of 126677513 is 315776621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82228624 + 44448889 = 9068^2 + 6667^2 .

It is a cyclic number.

It is not a de Polignac number, because 126677513 - 2⁴ = 126677497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126677519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63338756 + 63338757.

It is an arithmetic number, because the mean of its divisors is an integer number (63338757).

Almost surely, 2^126677513 is an apocalyptic number.

It is an amenable number.

126677513 is a deficient number, since it is larger than the sum of its proper divisors (1).

126677513 is an equidigital number, since it uses as much as digits as its factorization.

126677513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 126677513 is about 11255.1105281112. The cubic root of 126677513 is about 502.2267524257.

The spelling of 126677513 in words is "one hundred twenty-six million, six hundred seventy-seven thousand, five hundred thirteen".