1230743 has 2 divisors, whose sum is σ = 1230744. Its totient is φ = 1230742.

The previous prime is 1230739. The next prime is 1230751. The reversal of 1230743 is 3470321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230743 - 2² = 1230739 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615371 + 615372.

It is an arithmetic number, because the mean of its divisors is an integer number (615372).

2^1230743 is an apocalyptic number.

1230743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230743 is an equidigital number, since it uses as much as digits as its factorization.

1230743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1230743 is about 1109.3885703395. The cubic root of 1230743 is about 107.1656966336.

The spelling of 1230743 in words is "one million, two hundred thirty thousand, seven hundred forty-three".