122122650 has 48 divisors (see below), whose sum is σ = 326166624. Its totient is φ = 30060480.

The previous prime is 122122639. The next prime is 122122657. The reversal of 122122650 is 56221221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122122657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29364 + ... + 33263.

It is an arithmetic number, because the mean of its divisors is an integer number (6795138).

Almost surely, 2^122122650 is an apocalyptic number.

122122650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122122650 is an abundant number, since it is smaller than the sum of its proper divisors (204043974).

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

122122650 is a wasteful number, since it uses less digits than its factorization.

122122650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62655 (or 62650 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 122122650 is about 11050.9117270929. The cubic root of 122122650 is about 496.1337140579.

Adding to 122122650 its reverse (56221221), we get a palindrome (178343871).

It can be divided in two parts, 1221 and 22650, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 122122650 in words is "one hundred twenty-two million, one hundred twenty-two thousand, six hundred fifty".