1343081 has 2 divisors, whose sum is σ = 1343082. Its totient is φ = 1343080.

The previous prime is 1343071. The next prime is 1343113. The reversal of 1343081 is 1803431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 99856 = 1115^2 + 316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343081 is a prime.

It is a super-2 number, since 2×1343081² = 3607733145122, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1343071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671540 + 671541.

It is an arithmetic number, because the mean of its divisors is an integer number (671541).

2^1343081 is an apocalyptic number.

It is an amenable number.

1343081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343081 is an equidigital number, since it uses as much as digits as its factorization.

1343081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1343081 is about 1158.9137155112. The cubic root of 1343081 is about 110.3318080331.

The spelling of 1343081 in words is "one million, three hundred forty-three thousand, eighty-one".