126355219 has 2 divisors, whose sum is σ = 126355220. Its totient is φ = 126355218.

The previous prime is 126355121. The next prime is 126355241. The reversal of 126355219 is 912553621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126355219 - 2⁷ = 126355091 is a prime.

It is a super-2 number, since 2×126355219² = 31931282737075922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126355279) 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, 63177609 + 63177610.

It is an arithmetic number, because the mean of its divisors is an integer number (63177610).

Almost surely, 2^126355219 is an apocalyptic number.

126355219 is a deficient number, since it is larger than the sum of its proper divisors (1).

126355219 is an equidigital number, since it uses as much as digits as its factorization.

126355219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 126355219 is about 11240.7837360213. The cubic root of 126355219 is about 501.8004675180.

The spelling of 126355219 in words is "one hundred twenty-six million, three hundred fifty-five thousand, two hundred nineteen".