122790646 has 8 divisors (see below), whose sum is σ = 200930184. Its totient is φ = 55813920.

The previous prime is 122790593. The next prime is 122790683. The reversal of 122790646 is 646097221.

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

It is a congruent number.

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, 2790675 + ... + 2790718.

It is an arithmetic number, because the mean of its divisors is an integer number (25116273).

Almost surely, 2^122790646 is an apocalyptic number.

122790646 is a deficient number, since it is larger than the sum of its proper divisors (78139538).

122790646 is a wasteful number, since it uses less digits than its factorization.

122790646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581406.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 122790646 is about 11081.0940795573. The cubic root of 122790646 is about 497.0366666739.

The spelling of 122790646 in words is "one hundred twenty-two million, seven hundred ninety thousand, six hundred forty-six".