1361081 has 2 divisors, whose sum is σ = 1361082. Its totient is φ = 1361080.

The previous prime is 1361069. The next prime is 1361089. The reversal of 1361081 is 1801631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 477481 = 940^2 + 691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361081 is a prime.

It is a super-2 number, since 2×1361081² = 3705082977122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1361089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680540 + 680541.

It is an arithmetic number, because the mean of its divisors is an integer number (680541).

2^1361081 is an apocalyptic number.

It is an amenable number.

1361081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361081 is an equidigital number, since it uses as much as digits as its factorization.

1361081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1361081 is about 1166.6537618334. The cubic root of 1361081 is about 110.8225121187.

The spelling of 1361081 in words is "one million, three hundred sixty-one thousand, eighty-one".