1243093 has 2 divisors, whose sum is σ = 1243094. Its totient is φ = 1243092.

The previous prime is 1243013. The next prime is 1243097. The reversal of 1243093 is 3903421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 165649 = 1038^2 + 407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1243093 - 2¹³ = 1234901 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1243097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621546 + 621547.

It is an arithmetic number, because the mean of its divisors is an integer number (621547).

2^1243093 is an apocalyptic number.

It is an amenable number.

1243093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243093 is an equidigital number, since it uses as much as digits as its factorization.

1243093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1243093 is about 1114.9408056036. The cubic root of 1243093 is about 107.5229588605.

The spelling of 1243093 in words is "one million, two hundred forty-three thousand, ninety-three".