1294121 has 2 divisors, whose sum is σ = 1294122. Its totient is φ = 1294120.

The previous prime is 1294103. The next prime is 1294123. The reversal of 1294121 is 1214921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 212521 = 1040^2 + 461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294121 is a prime.

Together with 1294123, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1294093 and 1294102.

It is not a weakly prime, because it can be changed into another prime (1294123) 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, 647060 + 647061.

It is an arithmetic number, because the mean of its divisors is an integer number (647061).

2^1294121 is an apocalyptic number.

It is an amenable number.

1294121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294121 is an equidigital number, since it uses as much as digits as its factorization.

1294121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

The square root of 1294121 is about 1137.5943916880. The cubic root of 1294121 is about 108.9745191960.

The spelling of 1294121 in words is "one million, two hundred ninety-four thousand, one hundred twenty-one".