126355469 has 2 divisors, whose sum is σ = 126355470. Its totient is φ = 126355468.

The previous prime is 126355447. The next prime is 126355483. The reversal of 126355469 is 964553621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125731369 + 624100 = 11213^2 + 790^2 .

It is an emirp because it is prime and its reverse (964553621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126355469 - 2¹² = 126351373 is a prime.

It is a super-2 number, since 2×126355469² = 31931409092419922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126355069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63177734 + 63177735.

It is an arithmetic number, because the mean of its divisors is an integer number (63177735).

Almost surely, 2^126355469 is an apocalyptic number.

It is an amenable number.

126355469 is a deficient number, since it is larger than the sum of its proper divisors (1).

126355469 is an equidigital number, since it uses as much as digits as its factorization.

126355469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 126355469 is about 11240.7948562368. The cubic root of 126355469 is about 501.8007984634.

The spelling of 126355469 in words is "one hundred twenty-six million, three hundred fifty-five thousand, four hundred sixty-nine".