1154723 has 2 divisors, whose sum is σ = 1154724. Its totient is φ = 1154722.

The previous prime is 1154707. The next prime is 1154737. The reversal of 1154723 is 3274511.

It is a strong prime.

It is an emirp because it is prime and its reverse (3274511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1154723 - 2⁴ = 1154707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577361 + 577362.

It is an arithmetic number, because the mean of its divisors is an integer number (577362).

2^1154723 is an apocalyptic number.

1154723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154723 is an equidigital number, since it uses as much as digits as its factorization.

1154723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 1154723 is about 1074.5803832194. The cubic root of 1154723 is about 104.9121865956.

The spelling of 1154723 in words is "one million, one hundred fifty-four thousand, seven hundred twenty-three".