126606839 has 4 divisors (see below), whose sum is σ = 126786120. Its totient is φ = 126427560.

The previous prime is 126606817. The next prime is 126606847. The reversal of 126606839 is 938606621.

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

It is a cyclic number.

It is not a de Polignac number, because 126606839 - 2⁸ = 126606583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126606796 and 126606805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126606889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88577 + ... + 89994.

It is an arithmetic number, because the mean of its divisors is an integer number (31696530).

Almost surely, 2^126606839 is an apocalyptic number.

126606839 is a deficient number, since it is larger than the sum of its proper divisors (179281).

126606839 is an equidigital number, since it uses as much as digits as its factorization.

126606839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179280.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 126606839 is about 11251.9704496590. The cubic root of 126606839 is about 502.1333368027.

The spelling of 126606839 in words is "one hundred twenty-six million, six hundred six thousand, eight hundred thirty-nine".