122016556 has 18 divisors (see below), whose sum is σ = 225361500. Its totient is φ = 57796632.

The previous prime is 122016551. The next prime is 122016569. The reversal of 122016556 is 655610221.

It is a super-2 number, since 2×122016556² = 29776079876202272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122016551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40806 + ... + 43693.

Almost surely, 2^122016556 is an apocalyptic number.

It is an amenable number.

122016556 is a deficient number, since it is larger than the sum of its proper divisors (103344944).

122016556 is a wasteful number, since it uses less digits than its factorization.

122016556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84541 (or 84520 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 122016556 is about 11046.1104466685. The cubic root of 122016556 is about 495.9900004488.

Adding to 122016556 its reverse (655610221), we get a palindrome (777626777).

It can be divided in two parts, 1220165 and 56, that added together give a palindrome (1220221).

The spelling of 122016556 in words is "one hundred twenty-two million, sixteen thousand, five hundred fifty-six".