1121199696 has 60 divisors (see below), whose sum is σ = 3144971700. Its totient is φ = 372879360.

The previous prime is 1121199647. The next prime is 1121199697. The reversal of 1121199696 is 6969911211.

It can be written as a sum of positive squares in 2 ways, for example, as 866478096 + 254721600 = 29436^2 + 15960^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121199697) 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 11 ways as a sum of consecutive naturals, for example, 55986 + ... + 73326.

It is an arithmetic number, because the mean of its divisors is an integer number (52416195).

Almost surely, 2^1121199696 is an apocalyptic number.

1121199696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1121199696 is an abundant number, since it is smaller than the sum of its proper divisors (2023772004).

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

1121199696 is a wasteful number, since it uses less digits than its factorization.

1121199696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17804 (or 17795 counting only the distinct ones).

The product of its digits is 52488, while the sum is 45.

The square root of 1121199696 is about 33484.3201513783. The cubic root of 1121199696 is about 1038.8694865309.

The spelling of 1121199696 in words is "one billion, one hundred twenty-one million, one hundred ninety-nine thousand, six hundred ninety-six".