126449746 has 8 divisors (see below), whose sum is σ = 189923580. Its totient is φ = 63141888.

The previous prime is 126449737. The next prime is 126449761. The reversal of 126449746 is 647944621.

It can be written as a sum of positive squares in 2 ways, for example, as 112678225 + 13771521 = 10615^2 + 3711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39571 + ... + 42646.

Almost surely, 2^126449746 is an apocalyptic number.

126449746 is a deficient number, since it is larger than the sum of its proper divisors (63473834).

126449746 is an equidigital number, since it uses as much as digits as its factorization.

126449746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82988.

The product of its digits is 290304, while the sum is 43.

The square root of 126449746 is about 11244.9875944796. The cubic root of 126449746 is about 501.9255695112.

The spelling of 126449746 in words is "one hundred twenty-six million, four hundred forty-nine thousand, seven hundred forty-six".