1294649 has 2 divisors, whose sum is σ = 1294650. Its totient is φ = 1294648.

The previous prime is 1294639. The next prime is 1294651. The reversal of 1294649 is 9464921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 13225 = 1132^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1294649 - 2⁴ = 1294633 is a prime.

It is a super-2 number, since 2×1294649² = 3352232066402, which contains 22 as substring.

Together with 1294651, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1294609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647324 + 647325.

It is an arithmetic number, because the mean of its divisors is an integer number (647325).

2^1294649 is an apocalyptic number.

It is an amenable number.

1294649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294649 is an equidigital number, since it uses as much as digits as its factorization.

1294649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 1294649 is about 1137.8264366765. The cubic root of 1294649 is about 108.9893376771.

The spelling of 1294649 in words is "one million, two hundred ninety-four thousand, six hundred forty-nine".