1154983 has 4 divisors (see below), whose sum is σ = 1194840. Its totient is φ = 1115128.

The previous prime is 1154971. The next prime is 1154987. The reversal of 1154983 is 3894511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1154983 - 2¹³ = 1146791 is a prime.

It is a Duffinian number.

1154983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19885 + ... + 19942.

It is an arithmetic number, because the mean of its divisors is an integer number (298710).

2^1154983 is an apocalyptic number.

1154983 is a deficient number, since it is larger than the sum of its proper divisors (39857).

1154983 is an equidigital number, since it uses as much as digits as its factorization.

1154983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39856.

The product of its digits is 4320, while the sum is 31.

The square root of 1154983 is about 1074.7013538653. The cubic root of 1154983 is about 104.9200600919.

The spelling of 1154983 in words is "one million, one hundred fifty-four thousand, nine hundred eighty-three".