126833642 has 8 divisors (see below), whose sum is σ = 204885156. Its totient is φ = 58538592.

The previous prime is 126833639. The next prime is 126833659. The reversal of 126833642 is 246338621.

It can be written as a sum of positive squares in 2 ways, for example, as 125462401 + 1371241 = 11201^2 + 1171^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439083 + ... + 2439134.

Almost surely, 2^126833642 is an apocalyptic number.

126833642 is a deficient number, since it is larger than the sum of its proper divisors (78051514).

126833642 is a wasteful number, since it uses less digits than its factorization.

126833642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878232.

The product of its digits is 41472, while the sum is 35.

The square root of 126833642 is about 11262.0443082062. The cubic root of 126833642 is about 502.4329978402.

The spelling of 126833642 in words is "one hundred twenty-six million, eight hundred thirty-three thousand, six hundred forty-two".