1291419113 has 8 divisors (see below), whose sum is σ = 1361555520. Its totient is φ = 1221499440.

The previous prime is 1291419109. The next prime is 1291419121. The reversal of 1291419113 is 3119141921.

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 1291419113 - 2² = 1291419109 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 1291419113.

It is not an unprimeable number, because it can be changed into a prime (1291419133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41870 + ... + 65847.

It is an arithmetic number, because the mean of its divisors is an integer number (170194440).

Almost surely, 2^1291419113 is an apocalyptic number.

It is an amenable number.

1291419113 is a deficient number, since it is larger than the sum of its proper divisors (70136407).

1291419113 is a wasteful number, since it uses less digits than its factorization.

1291419113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108367.

The product of its digits is 1944, while the sum is 32.

The square root of 1291419113 is about 35936.3202484617. The cubic root of 1291419113 is about 1088.9862676024.

The spelling of 1291419113 in words is "one billion, two hundred ninety-one million, four hundred nineteen thousand, one hundred thirteen".