1119075821 has 2 divisors, whose sum is σ = 1119075822. Its totient is φ = 1119075820.

The previous prime is 1119075791. The next prime is 1119075857. The reversal of 1119075821 is 1285709111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100248900 + 18826921 = 33170^2 + 4339^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119075821 - 2⁶ = 1119075757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119075521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559537910 + 559537911.

It is an arithmetic number, because the mean of its divisors is an integer number (559537911).

Almost surely, 2^1119075821 is an apocalyptic number.

It is an amenable number.

1119075821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119075821 is an equidigital number, since it uses as much as digits as its factorization.

1119075821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 35.

The square root of 1119075821 is about 33452.5906470635. The cubic root of 1119075821 is about 1038.2130992669.

The spelling of 1119075821 in words is "one billion, one hundred nineteen million, seventy-five thousand, eight hundred twenty-one".