126350449 has 4 divisors (see below), whose sum is σ = 129765364. Its totient is φ = 122935536.

The previous prime is 126350423. The next prime is 126350453. The reversal of 126350449 is 944053621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944053621 = 7 ⋅134864803.

It can be written as a sum of positive squares in 2 ways, for example, as 83539600 + 42810849 = 9140^2 + 6543^2 .

It is a cyclic number.

It is not a de Polignac number, because 126350449 - 2⁷ = 126350321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126350249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707402 + ... + 1707475.

It is an arithmetic number, because the mean of its divisors is an integer number (32441341).

Almost surely, 2^126350449 is an apocalyptic number.

It is an amenable number.

126350449 is a deficient number, since it is larger than the sum of its proper divisors (3414915).

126350449 is an equidigital number, since it uses as much as digits as its factorization.

126350449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414914.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 126350449 is about 11240.5715602010. The cubic root of 126350449 is about 501.7941529963.

The spelling of 126350449 in words is "one hundred twenty-six million, three hundred fifty thousand, four hundred forty-nine".