126743474 has 16 divisors (see below), whose sum is σ = 223352640. Its totient is φ = 53178960.

The previous prime is 126743473. The next prime is 126743497. The reversal of 126743474 is 474347621.

It is not an unprimeable number, because it can be changed into a prime (126743473) 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 in 7 ways as a sum of consecutive naturals, for example, 221294 + ... + 221865.

It is an arithmetic number, because the mean of its divisors is an integer number (13959540).

Almost surely, 2^126743474 is an apocalyptic number.

126743474 is a deficient number, since it is larger than the sum of its proper divisors (96609166).

126743474 is a wasteful number, since it uses less digits than its factorization.

126743474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443185.

The product of its digits is 112896, while the sum is 38.

The square root of 126743474 is about 11258.0404156318. The cubic root of 126743474 is about 502.3139071487.

The spelling of 126743474 in words is "one hundred twenty-six million, seven hundred forty-three thousand, four hundred seventy-four".