122313556 has 6 divisors (see below), whose sum is σ = 214048730. Its totient is φ = 61156776.

The previous prime is 122313553. The next prime is 122313577. The reversal of 122313556 is 655313221.

It can be written as a sum of positive squares in only one way, i.e., 118069956 + 4243600 = 10866^2 + 2060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15289191 + ... + 15289198.

Almost surely, 2^122313556 is an apocalyptic number.

It is an amenable number.

122313556 is a deficient number, since it is larger than the sum of its proper divisors (91735174).

122313556 is a wasteful number, since it uses less digits than its factorization.

122313556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30578393 (or 30578391 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 122313556 is about 11059.5459219626. The cubic root of 122313556 is about 496.3921034499.

Adding to 122313556 its reverse (655313221), we get a palindrome (777626777).

The spelling of 122313556 in words is "one hundred twenty-two million, three hundred thirteen thousand, five hundred fifty-six".