1290293 has 2 divisors, whose sum is σ = 1290294. Its totient is φ = 1290292.

The previous prime is 1290287. The next prime is 1290299. The reversal of 1290293 is 3920921.

It is a balanced prime because it is at equal distance from previous prime (1290287) and next prime (1290299).

It can be written as a sum of positive squares in only one way, i.e., 1270129 + 20164 = 1127^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 1290293 - 2¹⁸ = 1028149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645146 + 645147.

It is an arithmetic number, because the mean of its divisors is an integer number (645147).

2^1290293 is an apocalyptic number.

It is an amenable number.

1290293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290293 is an equidigital number, since it uses as much as digits as its factorization.

1290293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1290293 is about 1135.9106478945. The cubic root of 1290293 is about 108.8669644800.

The spelling of 1290293 in words is "one million, two hundred ninety thousand, two hundred ninety-three".