1112555321 has 4 divisors (see below), whose sum is σ = 1113061632. Its totient is φ = 1112049012.

The previous prime is 1112555237. The next prime is 1112555329. The reversal of 1112555321 is 1235552111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112555321 - 2¹⁰ = 1112554297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112555329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249845 + ... + 254258.

It is an arithmetic number, because the mean of its divisors is an integer number (278265408).

Almost surely, 2^1112555321 is an apocalyptic number.

It is an amenable number.

1112555321 is a deficient number, since it is larger than the sum of its proper divisors (506311).

1112555321 is an equidigital number, since it uses as much as digits as its factorization.

1112555321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506310.

The product of its digits is 1500, while the sum is 26.

The square root of 1112555321 is about 33354.9894468579. The cubic root of 1112555321 is about 1036.1927239562.

The spelling of 1112555321 in words is "one billion, one hundred twelve million, five hundred fifty-five thousand, three hundred twenty-one".