1274939 has 2 divisors, whose sum is σ = 1274940. Its totient is φ = 1274938.

The previous prime is 1274929. The next prime is 1274941. The reversal of 1274939 is 9394721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1274939 is a prime.

It is a Sophie Germain prime.

Together with 1274941, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1274899 and 1274908.

It is not a weakly prime, because it can be changed into another prime (1274929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637469 + 637470.

It is an arithmetic number, because the mean of its divisors is an integer number (637470).

2^1274939 is an apocalyptic number.

1274939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274939 is an equidigital number, since it uses as much as digits as its factorization.

1274939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 1274939 is about 1129.1319674865. The cubic root of 1274939 is about 108.4334149424.

The spelling of 1274939 in words is "one million, two hundred seventy-four thousand, nine hundred thirty-nine".