126049369 has 2 divisors, whose sum is σ = 126049370. Its totient is φ = 126049368.

The previous prime is 126049349. The next prime is 126049393. The reversal of 126049369 is 963940621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92871769 + 33177600 = 9637^2 + 5760^2 .

It is a cyclic number.

It is not a de Polignac number, because 126049369 - 2⁵ = 126049337 is a prime.

It is a super-2 number, since 2×126049369² = 31776886850596322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126049309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63024684 + 63024685.

It is an arithmetic number, because the mean of its divisors is an integer number (63024685).

Almost surely, 2^126049369 is an apocalyptic number.

It is an amenable number.

126049369 is a deficient number, since it is larger than the sum of its proper divisors (1).

126049369 is an equidigital number, since it uses as much as digits as its factorization.

126049369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 126049369 is about 11227.1710149975. The cubic root of 126049369 is about 501.3952615355.

The spelling of 126049369 in words is "one hundred twenty-six million, forty-nine thousand, three hundred sixty-nine".