1121100928 has 32 divisors (see below), whose sum is σ = 2350998000. Its totient is φ = 531046656.

The previous prime is 1121100901. The next prime is 1121100941. The reversal of 1121100928 is 8290011211.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1121100928² = 2513734581524922368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228058 + ... + 232921.

Almost surely, 2^1121100928 is an apocalyptic number.

It is an amenable number.

1121100928 is an abundant number, since it is smaller than the sum of its proper divisors (1229897072).

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

1121100928 is an equidigital number, since it uses as much as digits as its factorization.

1121100928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461012 (or 461000 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 1121100928 is about 33482.8452793367. The cubic root of 1121100928 is about 1038.8389804950.

The spelling of 1121100928 in words is "one billion, one hundred twenty-one million, one hundred thousand, nine hundred twenty-eight".