1306872119 has 8 divisors (see below), whose sum is σ = 1494282240. Its totient is φ = 1119640536.

The previous prime is 1306872103. The next prime is 1306872131. The reversal of 1306872119 is 9112786031.

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

It is not a de Polignac number, because 1306872119 - 2⁴ = 1306872103 is a prime.

It is a super-2 number, since 2×1306872119² = 3415829470839100322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306872199) 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 7 ways as a sum of consecutive naturals, for example, 28559 + ... + 58560.

It is an arithmetic number, because the mean of its divisors is an integer number (186785280).

Almost surely, 2^1306872119 is an apocalyptic number.

1306872119 is a deficient number, since it is larger than the sum of its proper divisors (187410121).

1306872119 is an equidigital number, since it uses as much as digits as its factorization.

1306872119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89269.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1306872119 is about 36150.6862867083. The cubic root of 1306872119 is about 1093.3126278074.

The spelling of 1306872119 in words is "one billion, three hundred six million, eight hundred seventy-two thousand, one hundred nineteen".