825085122 has 8 divisors (see below), whose sum is σ = 1650170256. Its totient is φ = 275028372.

The previous prime is 825085117. The next prime is 825085133. The reversal of 825085122 is 221580528.

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

825085122 is an admirable number.

It is a super-3 number, since 3×825085122³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68757088 + ... + 68757099.

It is an arithmetic number, because the mean of its divisors is an integer number (206271282).

Almost surely, 2^825085122 is an apocalyptic number.

825085122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825085122 is a wasteful number, since it uses less digits than its factorization.

825085122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137514192.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 825085122 is about 28724.2949782932. The cubic root of 825085122 is about 937.9209831253.

The spelling of 825085122 in words is "eight hundred twenty-five million, eighty-five thousand, one hundred twenty-two".