1049729 has 4 divisors (see below), whose sum is σ = 1052484. Its totient is φ = 1046976.

The previous prime is 1049717. The next prime is 1049747. The reversal of 1049729 is 9279401.

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 719104 + 330625 = 848^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049729 - 2⁸ = 1049473 is a prime.

It is a super-2 number, since 2×1049729² = 2203861946882, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1049695 and 1049704.

It is not an unprimeable number, because it can be changed into a prime (1049129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (263121).

2^1049729 is an apocalyptic number.

It is an amenable number.

1049729 is a deficient number, since it is larger than the sum of its proper divisors (2755).

1049729 is an equidigital number, since it uses as much as digits as its factorization.

1049729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1049729 is about 1024.5628336027. The cubic root of 1049729 is about 101.6308906938.

The spelling of 1049729 in words is "one million, forty-nine thousand, seven hundred twenty-nine".