1119725312 has 18 divisors (see below), whose sum is σ = 2235077208. Its totient is φ = 559862528.

The previous prime is 1119725311. The next prime is 1119725323. The reversal of 1119725312 is 2135279111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119725311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2186708 + ... + 2187219.

It is an arithmetic number, because the mean of its divisors is an integer number (124170956).

Almost surely, 2^1119725312 is an apocalyptic number.

It is an amenable number.

1119725312 is a deficient number, since it is larger than the sum of its proper divisors (1115351896).

1119725312 is an frugal number, since it uses more digits than its factorization.

1119725312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373943 (or 4373929 counting only the distinct ones).

The product of its digits is 3780, while the sum is 32.

The square root of 1119725312 is about 33462.2968727492. The cubic root of 1119725312 is about 1038.4139136773.

The spelling of 1119725312 in words is "one billion, one hundred nineteen million, seven hundred twenty-five thousand, three hundred twelve".