1241381 has 2 divisors, whose sum is σ = 1241382. Its totient is φ = 1241380.

The previous prime is 1241377. The next prime is 1241389. The reversal of 1241381 is 1831421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069156 + 172225 = 1034^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241381 - 2² = 1241377 is a prime.

It is a super-2 number, since 2×1241381² = 3082053574322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620690 + 620691.

It is an arithmetic number, because the mean of its divisors is an integer number (620691).

2^1241381 is an apocalyptic number.

It is an amenable number.

1241381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241381 is an equidigital number, since it uses as much as digits as its factorization.

1241381 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 1241381 is about 1114.1727873180. The cubic root of 1241381 is about 107.4735756217.

The spelling of 1241381 in words is "one million, two hundred forty-one thousand, three hundred eighty-one".