1129973 has 8 divisors (see below), whose sum is σ = 1288728. Its totient is φ = 981504.

The previous prime is 1129963. The next prime is 1129991. The reversal of 1129973 is 3799211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 1129969 = 2^2 + 1063^2 .

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 1129973 - 2⁴ = 1129957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129963) 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 7 ways as a sum of consecutive naturals, for example, 2336 + ... + 2777.

It is an arithmetic number, because the mean of its divisors is an integer number (161091).

2^1129973 is an apocalyptic number.

1129973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1129973 is a deficient number, since it is larger than the sum of its proper divisors (158755).

1129973 is a wasteful number, since it uses less digits than its factorization.

1129973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143.

The product of its digits is 3402, while the sum is 32.

The square root of 1129973 is about 1063.0018814659. The cubic root of 1129973 is about 104.1572141467.

The spelling of 1129973 in words is "one million, one hundred twenty-nine thousand, nine hundred seventy-three".