1149473 has 8 divisors (see below), whose sum is σ = 1281000. Its totient is φ = 1024128.

The previous prime is 1149469. The next prime is 1149487. The reversal of 1149473 is 3749411.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 1149184 = 17^2 + 1072^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1149473 - 2² = 1149469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (160125).

2^1149473 is an apocalyptic number.

1149473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1149473 is a deficient number, since it is larger than the sum of its proper divisors (131527).

1149473 is a wasteful number, since it uses less digits than its factorization.

1149473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091.

The product of its digits is 3024, while the sum is 29.

The square root of 1149473 is about 1072.1347863025. The cubic root of 1149473 is about 104.7529490344.

The spelling of 1149473 in words is "one million, one hundred forty-nine thousand, four hundred seventy-three".