1230791 has 2 divisors, whose sum is σ = 1230792. Its totient is φ = 1230790.

The previous prime is 1230769. The next prime is 1230829. The reversal of 1230791 is 1970321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230791 - 2⁶ = 1230727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615395 + 615396.

It is an arithmetic number, because the mean of its divisors is an integer number (615396).

2^1230791 is an apocalyptic number.

1230791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230791 is an equidigital number, since it uses as much as digits as its factorization.

1230791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1230791 is about 1109.4102036668. The cubic root of 1230791 is about 107.1670897993.

It can be divided in two parts, 12 and 30791, that added together give a palindrome (30803).

The spelling of 1230791 in words is "one million, two hundred thirty thousand, seven hundred ninety-one".