1119743999 has 16 divisors (see below), whose sum is σ = 1260145536. Its totient is φ = 986277600.

The previous prime is 1119743971. The next prime is 1119744001. The reversal of 1119743999 is 9993479111.

It is not a de Polignac number, because 1119743999 - 2¹² = 1119739903 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 1119743999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119743959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32504 + ... + 57410.

It is an arithmetic number, because the mean of its divisors is an integer number (78759096).

Almost surely, 2^1119743999 is an apocalyptic number.

1119743999 is a deficient number, since it is larger than the sum of its proper divisors (140401537).

1119743999 is a wasteful number, since it uses less digits than its factorization.

1119743999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25046.

The product of its digits is 551124, while the sum is 53.

The square root of 1119743999 is about 33462.5760962900. The cubic root of 1119743999 is about 1038.4196903122.

The spelling of 1119743999 in words is "one billion, one hundred nineteen million, seven hundred forty-three thousand, nine hundred ninety-nine".