122111552 has 14 divisors (see below), whose sum is σ = 242315238. Its totient is φ = 61055744.

The previous prime is 122111491. The next prime is 122111579. The reversal of 122111552 is 255111221.

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 5125696 = 10816^2 + 2264^2 .

It is a super-2 number, since 2×122111552² = 29822462263697408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953933 + ... + 954060.

Almost surely, 2^122111552 is an apocalyptic number.

It is an amenable number.

122111552 is a deficient number, since it is larger than the sum of its proper divisors (120203686).

122111552 is an equidigital number, since it uses as much as digits as its factorization.

122111552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908005 (or 1907995 counting only the distinct ones).

The product of its digits is 200, while the sum is 20.

The square root of 122111552 is about 11050.4095851692. The cubic root of 122111552 is about 496.1186847444.

Adding to 122111552 its reverse (255111221), we get a palindrome (377222773).

The spelling of 122111552 in words is "one hundred twenty-two million, one hundred eleven thousand, five hundred fifty-two".