126847879 has 4 divisors (see below), whose sum is σ = 126910080. Its totient is φ = 126785680.

The previous prime is 126847859. The next prime is 126847901. The reversal of 126847879 is 978748621.

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 126847879 - 2⁹ = 126847367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126847859) 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, 27934 + ... + 32155.

It is an arithmetic number, because the mean of its divisors is an integer number (31727520).

Almost surely, 2^126847879 is an apocalyptic number.

126847879 is a deficient number, since it is larger than the sum of its proper divisors (62201).

126847879 is an equidigital number, since it uses as much as digits as its factorization.

126847879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62200.

The product of its digits is 1354752, while the sum is 52.

The square root of 126847879 is about 11262.6763693183. The cubic root of 126847879 is about 502.4517964041.

The spelling of 126847879 in words is "one hundred twenty-six million, eight hundred forty-seven thousand, eight hundred seventy-nine".