842124911 has 8 divisors (see below), whose sum is σ = 853313280. Its totient is φ = 830949912.

The previous prime is 842124863. The next prime is 842124917. The reversal of 842124911 is 119421248.

It is a happy number.

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 842124911 - 2²² = 837930607 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 (842124917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219536 + ... + 223338.

It is an arithmetic number, because the mean of its divisors is an integer number (106664160).

Almost surely, 2^842124911 is an apocalyptic number.

842124911 is a deficient number, since it is larger than the sum of its proper divisors (11188369).

842124911 is a wasteful number, since it uses less digits than its factorization.

842124911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685.

The product of its digits is 4608, while the sum is 32.

The square root of 842124911 is about 29019.3885359427. The cubic root of 842124911 is about 944.3337356424. Note that the first 3 decimals are identical.

The spelling of 842124911 in words is "eight hundred forty-two million, one hundred twenty-four thousand, nine hundred eleven".