126855839 has 8 divisors (see below), whose sum is σ = 138551040. Its totient is φ = 115187800.

The previous prime is 126855829. The next prime is 126855847. The reversal of 126855839 is 938558621.

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 126855839 - 2¹² = 126851743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126855793 and 126855802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126855829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692 + ... + 16350.

It is an arithmetic number, because the mean of its divisors is an integer number (17318880).

Almost surely, 2^126855839 is an apocalyptic number.

126855839 is a deficient number, since it is larger than the sum of its proper divisors (11695201).

126855839 is a wasteful number, since it uses less digits than its factorization.

126855839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13581.

The product of its digits is 518400, while the sum is 47.

The square root of 126855839 is about 11263.0297433683. The cubic root of 126855839 is about 502.4623061913.

The spelling of 126855839 in words is "one hundred twenty-six million, eight hundred fifty-five thousand, eight hundred thirty-nine".