1022141 has 2 divisors, whose sum is σ = 1022142. Its totient is φ = 1022140.

The previous prime is 1022137. The next prime is 1022167. The reversal of 1022141 is 1412201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674041 + 348100 = 821^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022141 - 2² = 1022137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022191) 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, 511070 + 511071.

It is an arithmetic number, because the mean of its divisors is an integer number (511071).

2^1022141 is an apocalyptic number.

It is an amenable number.

1022141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022141 is an equidigital number, since it uses as much as digits as its factorization.

1022141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1022141 is about 1011.0098911484. The cubic root of 1022141 is about 100.7326524284.

Adding to 1022141 its reverse (1412201), we get a palindrome (2434342).

The spelling of 1022141 in words is "one million, twenty-two thousand, one hundred forty-one".