126744346 has 4 divisors (see below), whose sum is σ = 190116522. Its totient is φ = 63372172.

The previous prime is 126744323. The next prime is 126744347. The reversal of 126744346 is 643447621.

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

It can be written as a sum of positive squares in only one way, i.e., 92064025 + 34680321 = 9595^2 + 5889^2 .

It is not an unprimeable number, because it can be changed into a prime (126744347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31686085 + ... + 31686088.

Almost surely, 2^126744346 is an apocalyptic number.

126744346 is a deficient number, since it is larger than the sum of its proper divisors (63372176).

126744346 is an equidigital number, since it uses as much as digits as its factorization.

126744346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63372175.

The product of its digits is 96768, while the sum is 37.

The square root of 126744346 is about 11258.0791434418. The cubic root of 126744346 is about 502.3150591257.

It can be divided in two parts, 12674 and 4346, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 126744346 in words is "one hundred twenty-six million, seven hundred forty-four thousand, three hundred forty-six".