1048739 has 4 divisors (see below), whose sum is σ = 1074360. Its totient is φ = 1023120.

The previous prime is 1048721. The next prime is 1048759. The reversal of 1048739 is 9378401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9378401 = 389 ⋅24109.

It is a cyclic number.

It is not a de Polignac number, because 1048739 - 2²⁰ = 163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12749 + ... + 12830.

It is an arithmetic number, because the mean of its divisors is an integer number (268590).

2^1048739 is an apocalyptic number.

1048739 is a deficient number, since it is larger than the sum of its proper divisors (25621).

1048739 is an equidigital number, since it uses as much as digits as its factorization.

1048739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25620.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1048739 is about 1024.0795867510. The cubic root of 1048739 is about 101.5989312616.

The spelling of 1048739 in words is "one million, forty-eight thousand, seven hundred thirty-nine".