1122200120 has 16 divisors (see below), whose sum is σ = 2524950360. Its totient is φ = 448880032.

The previous prime is 1122200117. The next prime is 1122200129. The reversal of 1122200120 is 210022211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122200129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14027462 + ... + 14027541.

Almost surely, 2^1122200120 is an apocalyptic number.

1122200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122200120 is an abundant number, since it is smaller than the sum of its proper divisors (1402750240).

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

1122200120 is a wasteful number, since it uses less digits than its factorization.

1122200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055014 (or 28055010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1122200120 is about 33499.2555141155. The cubic root of 1122200120 is about 1039.1783821438.

Adding to 1122200120 its reverse (210022211), we get a palindrome (1332222331).

The spelling of 1122200120 in words is "one billion, one hundred twenty-two million, two hundred thousand, one hundred twenty".