1020449724 has 48 divisors (see below), whose sum is σ = 2765822976. Its totient is φ = 286776000.

The previous prime is 1020449713. The next prime is 1020449741. The reversal of 1020449724 is 4279440201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94452 + ... + 104699.

It is an arithmetic number, because the mean of its divisors is an integer number (57621312).

Almost surely, 2^1020449724 is an apocalyptic number.

1020449724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020449724 is an abundant number, since it is smaller than the sum of its proper divisors (1745373252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020449724 is a wasteful number, since it uses less digits than its factorization.

1020449724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199226 (or 199224 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1020449724 is about 31944.4787717690. The cubic root of 1020449724 is about 1006.7706297806.

Adding to 1020449724 its reverse (4279440201), we get a palindrome (5299889925).

The spelling of 1020449724 in words is "one billion, twenty million, four hundred forty-nine thousand, seven hundred twenty-four".