842061172 has 12 divisors (see below), whose sum is σ = 1474022116. Its totient is φ = 420912000.

The previous prime is 842061151. The next prime is 842061173. The reversal of 842061172 is 271160248.

It can be written as a sum of positive squares in 2 ways, for example, as 422466916 + 419594256 = 20554^2 + 20484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842061173) 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, 12579 + ... + 42922.

Almost surely, 2^842061172 is an apocalyptic number.

It is an amenable number.

842061172 is a deficient number, since it is larger than the sum of its proper divisors (631960944).

842061172 is a wasteful number, since it uses less digits than its factorization.

842061172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59298 (or 59296 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 842061172 is about 29018.2903011187. The cubic root of 842061172 is about 944.3099100373.

The spelling of 842061172 in words is "eight hundred forty-two million, sixty-one thousand, one hundred seventy-two".