1292243 has 2 divisors, whose sum is σ = 1292244. Its totient is φ = 1292242.

The previous prime is 1292237. The next prime is 1292251. The reversal of 1292243 is 3422921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1292243 - 2¹⁰ = 1291219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1292293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646121 + 646122.

It is an arithmetic number, because the mean of its divisors is an integer number (646122).

2^1292243 is an apocalyptic number.

1292243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292243 is an equidigital number, since it uses as much as digits as its factorization.

1292243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 1292243 is about 1136.7686660003. The cubic root of 1292243 is about 108.9217798660.

The spelling of 1292243 in words is "one million, two hundred ninety-two thousand, two hundred forty-three".