126839793 has 32 divisors (see below), whose sum is σ = 178790400. Its totient is φ = 79911936.

The previous prime is 126839789. The next prime is 126839827. The reversal of 126839793 is 397938621.

It is not a de Polignac number, because 126839793 - 2² = 126839789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126839753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657105 + ... + 657297.

It is an arithmetic number, because the mean of its divisors is an integer number (5587200).

Almost surely, 2^126839793 is an apocalyptic number.

It is an amenable number.

126839793 is a deficient number, since it is larger than the sum of its proper divisors (51950607).

126839793 is a wasteful number, since it uses less digits than its factorization.

126839793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its digits is 489888, while the sum is 48.

The square root of 126839793 is about 11262.3173903065. The cubic root of 126839793 is about 502.4411198058.

The spelling of 126839793 in words is "one hundred twenty-six million, eight hundred thirty-nine thousand, seven hundred ninety-three".