1121913596 has 24 divisors (see below), whose sum is σ = 2156542080. Its totient is φ = 508326192.

The previous prime is 1121913587. The next prime is 1121913599. The reversal of 1121913596 is 6953191211.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121913599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319166 + ... + 322661.

It is an arithmetic number, because the mean of its divisors is an integer number (89855920).

Almost surely, 2^1121913596 is an apocalyptic number.

It is an amenable number.

1121913596 is a deficient number, since it is larger than the sum of its proper divisors (1034628484).

1121913596 is a wasteful number, since it uses less digits than its factorization.

1121913596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641873 (or 641871 counting only the distinct ones).

The product of its digits is 14580, while the sum is 38.

The square root of 1121913596 is about 33494.9786684512. The cubic root of 1121913596 is about 1039.0899324143.

The spelling of 1121913596 in words is "one billion, one hundred twenty-one million, nine hundred thirteen thousand, five hundred ninety-six".