1294129 has 2 divisors, whose sum is σ = 1294130. Its totient is φ = 1294128.

The previous prime is 1294123. The next prime is 1294169. The reversal of 1294129 is 9214921.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 874225 + 419904 = 935^2 + 648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1294129 - 2³ = 1294121 is a prime.

It is a Chen prime.

It is an Ulam number.

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

1294129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1294097 and 1294106.

It is not a weakly prime, because it can be changed into another prime (1294121) 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, 647064 + 647065.

It is an arithmetic number, because the mean of its divisors is an integer number (647065).

2^1294129 is an apocalyptic number.

It is an amenable number.

1294129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294129 is an equidigital number, since it uses as much as digits as its factorization.

1294129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 1294129 is about 1137.5979078743. The cubic root of 1294129 is about 108.9747437486.

The spelling of 1294129 in words is "one million, two hundred ninety-four thousand, one hundred twenty-nine".