1362181 has 2 divisors, whose sum is σ = 1362182. Its totient is φ = 1362180.

The previous prime is 1362161. The next prime is 1362203. The reversal of 1362181 is 1812631.

It is an a-pointer prime, because the next prime (1362203) can be obtained adding 1362181 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933156 + 429025 = 966^2 + 655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1362181 is a prime.

It is a super-2 number, since 2×1362181² = 3711074153522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1362131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681090 + 681091.

It is an arithmetic number, because the mean of its divisors is an integer number (681091).

2^1362181 is an apocalyptic number.

It is an amenable number.

1362181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1362181 is an equidigital number, since it uses as much as digits as its factorization.

1362181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 1362181 is about 1167.1251004070. The cubic root of 1362181 is about 110.8523589678.

The spelling of 1362181 in words is "one million, three hundred sixty-two thousand, one hundred eighty-one".