1121223096 has 192 divisors, whose sum is σ = 3590496000. Its totient is φ = 315911232.

The previous prime is 1121223071. The next prime is 1121223139. The reversal of 1121223096 is 6903221211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2049495 + ... + 2050041.

It is an arithmetic number, because the mean of its divisors is an integer number (18700500).

Almost surely, 2^1121223096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121223096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1795248000).

1121223096 is an abundant number, since it is smaller than the sum of its proper divisors (2469272904).

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

1121223096 is a wasteful number, since it uses less digits than its factorization.

1121223096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1121223096 is about 33484.6695668331. The cubic root of 1121223096 is about 1038.8767137230.

The spelling of 1121223096 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, ninety-six".