1123422100 has 36 divisors (see below), whose sum is σ = 2439718848. Its totient is φ = 449020000.

The previous prime is 1123422089. The next prime is 1123422151. The reversal of 1123422100 is 12243211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153525 + ... + 160675.

It is an arithmetic number, because the mean of its divisors is an integer number (67769968).

Almost surely, 2^1123422100 is an apocalyptic number.

1123422100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123422100 is an abundant number, since it is smaller than the sum of its proper divisors (1316296748).

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

1123422100 is a wasteful number, since it uses less digits than its factorization.

1123422100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736 (or 8729 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1123422100 is about 33517.4894644572. The cubic root of 1123422100 is about 1039.5554374581. Note that the first 3 decimals are identical.

Adding to 1123422100 its reverse (12243211), we get a palindrome (1135665311).

The spelling of 1123422100 in words is "one billion, one hundred twenty-three million, four hundred twenty-two thousand, one hundred".