122432782 has 8 divisors (see below), whose sum is σ = 187920216. Its totient is φ = 59792712.

The previous prime is 122432777. The next prime is 122432819. The reversal of 122432782 is 287234221.

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

It is a super-2 number, since 2×122432782² = 29979572216519048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711733 + ... + 711904.

It is an arithmetic number, because the mean of its divisors is an integer number (23490027).

Almost surely, 2^122432782 is an apocalyptic number.

122432782 is a deficient number, since it is larger than the sum of its proper divisors (65487434).

122432782 is a wasteful number, since it uses less digits than its factorization.

122432782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423682.

The product of its digits is 10752, while the sum is 31.

The square root of 122432782 is about 11064.9347942046. The cubic root of 122432782 is about 496.5533383057.

The spelling of 122432782 in words is "one hundred twenty-two million, four hundred thirty-two thousand, seven hundred eighty-two".