1119802321 has 4 divisors (see below), whose sum is σ = 1221602544. Its totient is φ = 1018002100.

The previous prime is 1119802319. The next prime is 1119802331. The reversal of 1119802321 is 1232089111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1232089111 = 11 ⋅112008101.

It is a cyclic number.

It is not a de Polignac number, because 1119802321 - 2¹ = 1119802319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1119802321.

It is not an unprimeable number, because it can be changed into a prime (1119802331) 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 3 ways as a sum of consecutive naturals, for example, 50900095 + ... + 50900116.

It is an arithmetic number, because the mean of its divisors is an integer number (305400636).

Almost surely, 2^1119802321 is an apocalyptic number.

1119802321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1119802321 is a deficient number, since it is larger than the sum of its proper divisors (101800223).

1119802321 is a wasteful number, since it uses less digits than its factorization.

1119802321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101800222.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 1119802321 is about 33463.4475360803. The cubic root of 1119802321 is about 1038.4377187371.

The spelling of 1119802321 in words is "one billion, one hundred nineteen million, eight hundred two thousand, three hundred twenty-one".