126476447 has 4 divisors (see below), whose sum is σ = 133916256. Its totient is φ = 119036640.

The previous prime is 126476419. The next prime is 126476477. The reversal of 126476447 is 744674621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126476447 - 2¹² = 126472351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126476417) 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, 3719879 + ... + 3719912.

It is an arithmetic number, because the mean of its divisors is an integer number (33479064).

Almost surely, 2^126476447 is an apocalyptic number.

126476447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

126476447 is a deficient number, since it is larger than the sum of its proper divisors (7439809).

126476447 is an equidigital number, since it uses as much as digits as its factorization.

126476447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439808.

The product of its digits is 225792, while the sum is 41.

The square root of 126476447 is about 11246.1747718947. The cubic root of 126476447 is about 501.9608957228.

The spelling of 126476447 in words is "one hundred twenty-six million, four hundred seventy-six thousand, four hundred forty-seven".