1342181 has 2 divisors, whose sum is σ = 1342182. Its totient is φ = 1342180.

The previous prime is 1342177. The next prime is 1342199. The reversal of 1342181 is 1812431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 919681 + 422500 = 959^2 + 650^2 .

It is an emirp because it is prime and its reverse (1812431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1342181 - 2² = 1342177 is a prime.

It is a super-2 number, since 2×1342181² = 3602899673522, 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 (1342111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671090 + 671091.

It is an arithmetic number, because the mean of its divisors is an integer number (671091).

2^1342181 is an apocalyptic number.

It is an amenable number.

1342181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342181 is an equidigital number, since it uses as much as digits as its factorization.

1342181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 20.

The square root of 1342181 is about 1158.5253557864. The cubic root of 1342181 is about 110.3071580391.

The spelling of 1342181 in words is "one million, three hundred forty-two thousand, one hundred eighty-one".