122832890 has 8 divisors (see below), whose sum is σ = 221099220. Its totient is φ = 49133152.

The previous prime is 122832887. The next prime is 122832923. The reversal of 122832890 is 98238221.

It is a Cunningham number, because it is equal to 11083²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 122832889 + 1 = 11083^2 + 1^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122832890.

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, 6141635 + ... + 6141654.

Almost surely, 2^122832890 is an apocalyptic number.

122832890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122832890 is a deficient number, since it is larger than the sum of its proper divisors (98266330).

122832890 is a wasteful number, since it uses less digits than its factorization.

122832890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283296.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 122832890 is about 11083.0000451141. Note that the first 4 decimals coincide. The cubic root of 122832890 is about 497.0936590976.

The spelling of 122832890 in words is "one hundred twenty-two million, eight hundred thirty-two thousand, eight hundred ninety".