1427141 has 2 divisors, whose sum is σ = 1427142. Its totient is φ = 1427140.

The previous prime is 1427117. The next prime is 1427143. The reversal of 1427141 is 1417241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221025 + 206116 = 1105^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427141 - 2¹⁴ = 1410757 is a prime.

Together with 1427143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713570 + 713571.

It is an arithmetic number, because the mean of its divisors is an integer number (713571).

2^1427141 is an apocalyptic number.

It is an amenable number.

1427141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427141 is an equidigital number, since it uses as much as digits as its factorization.

1427141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 20.

The square root of 1427141 is about 1194.6300682638. The cubic root of 1427141 is about 112.5871850909.

The spelling of 1427141 in words is "one million, four hundred twenty-seven thousand, one hundred forty-one".