1373089 has 4 divisors (see below), whose sum is σ = 1378324. Its totient is φ = 1367856.

The previous prime is 1373087. The next prime is 1373129. The reversal of 1373089 is 9803731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 705600 + 667489 = 840^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373089 - 2¹ = 1373087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373089.

It is not an unprimeable number, because it can be changed into a prime (1373081) 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 in 3 ways as a sum of consecutive naturals, for example, 2202 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (344581).

2^1373089 is an apocalyptic number.

It is an amenable number.

1373089 is a deficient number, since it is larger than the sum of its proper divisors (5235).

1373089 is an equidigital number, since it uses as much as digits as its factorization.

1373089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1373089 is about 1171.7888034966. The cubic root of 1373089 is about 111.1474651782.

The spelling of 1373089 in words is "one million, three hundred seventy-three thousand, eighty-nine".