1316484121 has 4 divisors (see below), whose sum is σ = 1316565712. Its totient is φ = 1316402532.

The previous prime is 1316484089. The next prime is 1316484137. The reversal of 1316484121 is 1214846131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1316484121 - 2⁵ = 1316484089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316484821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7575 + ... + 51868.

It is an arithmetic number, because the mean of its divisors is an integer number (329141428).

Almost surely, 2^1316484121 is an apocalyptic number.

It is an amenable number.

1316484121 is a deficient number, since it is larger than the sum of its proper divisors (81591).

1316484121 is an equidigital number, since it uses as much as digits as its factorization.

1316484121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81590.

The product of its digits is 4608, while the sum is 31.

The square root of 1316484121 is about 36283.3862945564. The cubic root of 1316484121 is about 1095.9865093376.

The spelling of 1316484121 in words is "one billion, three hundred sixteen million, four hundred eighty-four thousand, one hundred twenty-one".