1149073 has 4 divisors (see below), whose sum is σ = 1159920. Its totient is φ = 1138228.

The previous prime is 1149061. The next prime is 1149131. The reversal of 1149073 is 3709411.

1149073 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3709411 = 191 ⋅19421.

It is a cyclic number.

It is not a de Polignac number, because 1149073 - 2⁹ = 1148561 is a prime.

It is a Duffinian number.

1149073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1149053) 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 3 ways as a sum of consecutive naturals, for example, 5263 + ... + 5476.

It is an arithmetic number, because the mean of its divisors is an integer number (289980).

2^1149073 is an apocalyptic number.

It is an amenable number.

1149073 is a deficient number, since it is larger than the sum of its proper divisors (10847).

1149073 is a wasteful number, since it uses less digits than its factorization.

1149073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10846.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1149073 is about 1071.9482263617. The cubic root of 1149073 is about 104.7407967870.

The spelling of 1149073 in words is "one million, one hundred forty-nine thousand, seventy-three".