122543316 has 108 divisors (see below), whose sum is σ = 363836928. Its totient is φ = 34673184.

The previous prime is 122543303. The next prime is 122543347. The reversal of 122543316 is 613345221.

122543316 is a `hidden beast` number, since 1 + 225 + 433 + 1 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 122543316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 223755 + ... + 224301.

Almost surely, 2^122543316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122543316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181918464).

122543316 is an abundant number, since it is smaller than the sum of its proper divisors (241293612).

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

122543316 is a wasteful number, since it uses less digits than its factorization.

122543316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 686 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 122543316 is about 11069.9284550534. The cubic root of 122543316 is about 496.7027250870.

Adding to 122543316 its reverse (613345221), we get a palindrome (735888537).

It can be divided in two parts, 1225433 and 16, that added together give a square (1225449 = 1107²).

The spelling of 122543316 in words is "one hundred twenty-two million, five hundred forty-three thousand, three hundred sixteen".