1310481 has 12 divisors (see below), whose sum is σ = 1958580. Its totient is φ = 843360.

The previous prime is 1310473. The next prime is 1310489. The reversal of 1310481 is 1840131.

It is an interprime number because it is at equal distance from previous prime (1310473) and next prime (1310489).

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 342225 = 984^2 + 585^2 .

It is not a de Polignac number, because 1310481 - 2³ = 1310473 is a prime.

It is a super-2 number, since 2×1310481² = 3434720902722, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1310489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2250 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (163215).

2^1310481 is an apocalyptic number.

It is an amenable number.

1310481 is a deficient number, since it is larger than the sum of its proper divisors (648099).

1310481 is a wasteful number, since it uses less digits than its factorization.

1310481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056 (or 5053 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1310481 is about 1144.7624207669. The cubic root of 1310481 is about 109.4318084211.

The spelling of 1310481 in words is "one million, three hundred ten thousand, four hundred eighty-one".