122650887 has 8 divisors (see below), whose sum is σ = 163663600. Its totient is φ = 81702720.

The previous prime is 122650883. The next prime is 122650901. The reversal of 122650887 is 788056221.

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

It is not a de Polignac number, because 122650887 - 2² = 122650883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122650883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11512 + ... + 19437.

It is an arithmetic number, because the mean of its divisors is an integer number (20457950).

Almost surely, 2^122650887 is an apocalyptic number.

122650887 is a deficient number, since it is larger than the sum of its proper divisors (41012713).

122650887 is a wasteful number, since it uses less digits than its factorization.

122650887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32273.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 122650887 is about 11074.7860927424. The cubic root of 122650887 is about 496.8480211450.

The spelling of 122650887 in words is "one hundred twenty-two million, six hundred fifty thousand, eight hundred eighty-seven".