1119742385 has 4 divisors (see below), whose sum is σ = 1343690868. Its totient is φ = 895793904.

The previous prime is 1119742381. The next prime is 1119742397. The reversal of 1119742385 is 5832479111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498137761 + 621604624 = 22319^2 + 24932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119742385 - 2² = 1119742381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1119742381) 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, 111974234 + ... + 111974243.

It is an arithmetic number, because the mean of its divisors is an integer number (335922717).

Almost surely, 2^1119742385 is an apocalyptic number.

It is an amenable number.

1119742385 is a deficient number, since it is larger than the sum of its proper divisors (223948483).

1119742385 is an equidigital number, since it uses as much as digits as its factorization.

1119742385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223948482.

The product of its digits is 60480, while the sum is 41.

The square root of 1119742385 is about 33462.5519797878. The cubic root of 1119742385 is about 1038.4191913856.

The spelling of 1119742385 in words is "one billion, one hundred nineteen million, seven hundred forty-two thousand, three hundred eighty-five".