1122042198 has 16 divisors (see below), whose sum is σ = 2247407280. Its totient is φ = 373460256.

The previous prime is 1122042157. The next prime is 1122042199. The reversal of 1122042198 is 8912402211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122042199) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 134053 + ... + 142176.

It is an arithmetic number, because the mean of its divisors is an integer number (140462955).

Almost surely, 2^1122042198 is an apocalyptic number.

1122042198 is an abundant number, since it is smaller than the sum of its proper divisors (1125365082).

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

1122042198 is a wasteful number, since it uses less digits than its factorization.

1122042198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276911.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1122042198 is about 33496.8983340249. The cubic root of 1122042198 is about 1039.1296336113.

The spelling of 1122042198 in words is "one billion, one hundred twenty-two million, forty-two thousand, one hundred ninety-eight".