1024920 has 128 divisors (see below), whose sum is σ = 3729600. Its totient is φ = 248832.

The previous prime is 1024909. The next prime is 1024921. The reversal of 1024920 is 294201.

1024920 is nontrivially palindromic in base 11.

It is a super-2 number, since 2×1024920² = 2100922012800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1024893 and 1024902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024921) 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 31 ways as a sum of consecutive naturals, for example, 14004 + ... + 14076.

2^1024920 is an apocalyptic number.

1024920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1024920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864800).

1024920 is an abundant number, since it is smaller than the sum of its proper divisors (2704680).

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

1024920 is a wasteful number, since it uses less digits than its factorization.

1024920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1024920 is about 1012.3833266110. The cubic root of 1024920 is about 100.8238605646.

The spelling of 1024920 in words is "one million, twenty-four thousand, nine hundred twenty".