1121433100 has 36 divisors (see below), whose sum is σ = 2457158704. Its totient is φ = 444214080.

The previous prime is 1121433083. The next prime is 1121433109. The reversal of 1121433100 is 13341211.

It is a super-2 number, since 2×1121433100² = 2515224395551220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121433109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44139 + ... + 64738.

Almost surely, 2^1121433100 is an apocalyptic number.

1121433100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121433100 is an abundant number, since it is smaller than the sum of its proper divisors (1335725604).

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

1121433100 is a wasteful number, since it uses less digits than its factorization.

1121433100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108994 (or 108987 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121433100 is about 33487.8052431030. The cubic root of 1121433100 is about 1038.9415698748.

Adding to 1121433100 its reverse (13341211), we get a palindrome (1134774311).

The spelling of 1121433100 in words is "one billion, one hundred twenty-one million, four hundred thirty-three thousand, one hundred".