1040920 has 32 divisors (see below), whose sum is σ = 2391120. Its totient is φ = 407680.

The previous prime is 1040899. The next prime is 1040929. The reversal of 1040920 is 290401.

1040920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1040894 and 1040903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875 + ... + 2365.

2^1040920 is an apocalyptic number.

1040920 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 1040920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195560).

1040920 is an abundant number, since it is smaller than the sum of its proper divisors (1350200).

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

1040920 is a wasteful number, since it uses less digits than its factorization.

1040920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1040920 is about 1020.2548701182. The cubic root of 1040920 is about 101.3458067902.

The spelling of 1040920 in words is "one million, forty thousand, nine hundred twenty".