842288129 has 8 divisors (see below), whose sum is σ = 879381312. Its totient is φ = 805234320.

The previous prime is 842288119. The next prime is 842288131. The reversal of 842288129 is 921882248.

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 842288129 - 2⁴ = 842288113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 842288129.

It is not an unprimeable number, because it can be changed into a prime (842288119) 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, 39119 + ... + 56699.

It is an arithmetic number, because the mean of its divisors is an integer number (109922664).

Almost surely, 2^842288129 is an apocalyptic number.

It is an amenable number.

842288129 is a deficient number, since it is larger than the sum of its proper divisors (37093183).

842288129 is a wasteful number, since it uses less digits than its factorization.

842288129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19687.

The product of its digits is 147456, while the sum is 44.

The square root of 842288129 is about 29022.2006229714. The cubic root of 842288129 is about 944.3947409655.

The spelling of 842288129 in words is "eight hundred forty-two million, two hundred eighty-eight thousand, one hundred twenty-nine".