122275650 has 96 divisors (see below), whose sum is σ = 350299008. Its totient is φ = 27648000.

The previous prime is 122275649. The next prime is 122275663. The reversal of 122275650 is 56572221.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 47 ways as a sum of consecutive naturals, for example, 105474 + ... + 106626.

It is an arithmetic number, because the mean of its divisors is an integer number (3648948).

Almost surely, 2^122275650 is an apocalyptic number.

122275650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122275650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175149504).

122275650 is an abundant number, since it is smaller than the sum of its proper divisors (228023358).

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

122275650 is a wasteful number, since it uses less digits than its factorization.

122275650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 122275650 is about 11057.8320660064. The cubic root of 122275650 is about 496.3408194554.

The spelling of 122275650 in words is "one hundred twenty-two million, two hundred seventy-five thousand, six hundred fifty".