1024749 has 18 divisors (see below), whose sum is σ = 1628718. Its totient is φ = 620400.

The previous prime is 1024729. The next prime is 1024757. The reversal of 1024749 is 9474201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 915849 + 108900 = 957^2 + 330^2 .

It is not a de Polignac number, because 1024749 - 2¹¹ = 1022701 is a prime.

It is a super-2 number, since 2×1024749² = 2100221026002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024729) 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 17 ways as a sum of consecutive naturals, for example, 619 + ... + 1559.

2^1024749 is an apocalyptic number.

It is an amenable number.

1024749 is a deficient number, since it is larger than the sum of its proper divisors (603969).

1024749 is a wasteful number, since it uses less digits than its factorization.

1024749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1024749 is about 1012.2988689117. The cubic root of 1024749 is about 100.8182530248.

It can be divided in two parts, 10247 and 49, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 1024749 in words is "one million, twenty-four thousand, seven hundred forty-nine".