1300181 has 2 divisors, whose sum is σ = 1300182. Its totient is φ = 1300180.

The previous prime is 1300153. The next prime is 1300193. The reversal of 1300181 is 1810031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707281 + 592900 = 841^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300181 - 2¹⁴ = 1283797 is a prime.

It is a super-2 number, since 2×1300181² = 3380941265522, 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 (1300111) 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 as a sum of consecutive naturals, namely, 650090 + 650091.

It is an arithmetic number, because the mean of its divisors is an integer number (650091).

2^1300181 is an apocalyptic number.

It is an amenable number.

1300181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300181 is an equidigital number, since it uses as much as digits as its factorization.

1300181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1300181 is about 1140.2547960873. The cubic root of 1300181 is about 109.1443532534.

The spelling of 1300181 in words is "one million, three hundred thousand, one hundred eighty-one".