122551316 has 12 divisors (see below), whose sum is σ = 216433140. Its totient is φ = 60713280.

The previous prime is 122551307. The next prime is 122551327. The reversal of 122551316 is 613155221.

It can be written as a sum of positive squares in 2 ways, for example, as 74304400 + 48246916 = 8620^2 + 6946^2 .

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, 140105 + ... + 140976.

It is an arithmetic number, because the mean of its divisors is an integer number (18036095).

Almost surely, 2^122551316 is an apocalyptic number.

It is an amenable number.

122551316 is a deficient number, since it is larger than the sum of its proper divisors (93881824).

122551316 is a wasteful number, since it uses less digits than its factorization.

122551316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281194 (or 281192 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 122551316 is about 11070.2897884382. The cubic root of 122551316 is about 496.7135336062.

The spelling of 122551316 in words is "one hundred twenty-two million, five hundred fifty-one thousand, three hundred sixteen".