126798839 has 8 divisors (see below), whose sum is σ = 132444672. Its totient is φ = 121164120.

The previous prime is 126798803. The next prime is 126798863. The reversal of 126798839 is 938897621.

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

It is a cyclic number.

It is not a de Polignac number, because 126798839 - 2⁸ = 126798583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126798899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27854 + ... + 32084.

It is an arithmetic number, because the mean of its divisors is an integer number (16555584).

Almost surely, 2^126798839 is an apocalyptic number.

126798839 is a deficient number, since it is larger than the sum of its proper divisors (5645833).

126798839 is a wasteful number, since it uses less digits than its factorization.

126798839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557.

The product of its digits is 1306368, while the sum is 53.

The square root of 126798839 is about 11260.4990564362. The cubic root of 126798839 is about 502.3870379645.

The spelling of 126798839 in words is "one hundred twenty-six million, seven hundred ninety-eight thousand, eight hundred thirty-nine".