1149073019 has 8 divisors (see below), whose sum is σ = 1171301040. Its totient is φ = 1126865376.

The previous prime is 1149072989. The next prime is 1149073021. The reversal of 1149073019 is 9103709411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1149073019 - 2¹² = 1149068923 is a prime.

It is a super-2 number, since 2×1149073019² = 2640737605987548722, which contains 22 as substring.

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 1149073019.

It is not an unprimeable number, because it can be changed into a prime (1149073039) 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 in 7 ways as a sum of consecutive naturals, for example, 159017 + ... + 166085.

It is an arithmetic number, because the mean of its divisors is an integer number (146412630).

Almost surely, 2^1149073019 is an apocalyptic number.

1149073019 is a deficient number, since it is larger than the sum of its proper divisors (22228021).

1149073019 is an equidigital number, since it uses as much as digits as its factorization.

1149073019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1149073019 is about 33897.9795710600. The cubic root of 1149073019 is about 1047.4079736426.

The spelling of 1149073019 in words is "one billion, one hundred forty-nine million, seventy-three thousand, nineteen".