126502221319 has 2 divisors, whose sum is σ = 126502221320. Its totient is φ = 126502221318.

The previous prime is 126502221299. The next prime is 126502221323. The reversal of 126502221319 is 913122205621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126502221319 - 2⁹ = 126502220807 is a prime.

It is a super-2 number, since 2×126502221319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126502221619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63251110659 + 63251110660.

It is an arithmetic number, because the mean of its divisors is an integer number (63251110660).

Almost surely, 2^126502221319 is an apocalyptic number.

126502221319 is a deficient number, since it is larger than the sum of its proper divisors (1).

126502221319 is an equidigital number, since it uses as much as digits as its factorization.

126502221319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 126502221319 in words is "one hundred twenty-six billion, five hundred two million, two hundred twenty-one thousand, three hundred nineteen".