842141249 has 8 divisors (see below), whose sum is σ = 850228968. Its totient is φ = 834088320.

The previous prime is 842141231. The next prime is 842141263. The reversal of 842141249 is 942141248.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13104400 + 829036849 = 3620^2 + 28793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842141249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842141269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41309 + ... + 58229.

It is an arithmetic number, because the mean of its divisors is an integer number (106278621).

Almost surely, 2^842141249 is an apocalyptic number.

It is an amenable number.

842141249 is a deficient number, since it is larger than the sum of its proper divisors (8087719).

842141249 is a wasteful number, since it uses less digits than its factorization.

842141249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17395.

The product of its digits is 18432, while the sum is 35.

The square root of 842141249 is about 29019.6700360290. The cubic root of 842141249 is about 944.3398425847.

Subtracting 842141249 from its reverse (942141248), we obtain a palindrome (99999999).

The spelling of 842141249 in words is "eight hundred forty-two million, one hundred forty-one thousand, two hundred forty-nine".