1190013205 has 4 divisors (see below), whose sum is σ = 1428015852. Its totient is φ = 952010560.

The previous prime is 1190013191. The next prime is 1190013221. The reversal of 1190013205 is 5023100911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5023100911 = 54151 ⋅92761.

It can be written as a sum of positive squares in 2 ways, for example, as 671950084 + 518063121 = 25922^2 + 22761^2 .

It is not a de Polignac number, because 1190013205 - 2¹¹ = 1190011157 is a prime.

It is a super-2 number, since 2×1190013205² = 2832262856148744050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119001316 + ... + 119001325.

It is an arithmetic number, because the mean of its divisors is an integer number (357003963).

Almost surely, 2^1190013205 is an apocalyptic number.

It is an amenable number.

1190013205 is a deficient number, since it is larger than the sum of its proper divisors (238002647).

1190013205 is an equidigital number, since it uses as much as digits as its factorization.

1190013205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238002646.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1190013205 is about 34496.5680177029. The cubic root of 1190013205 is about 1059.7024218074.

The spelling of 1190013205 in words is "one billion, one hundred ninety million, thirteen thousand, two hundred five".