1040321120 has 96 divisors (see below), whose sum is σ = 2629827648. Its totient is φ = 387514368.

The previous prime is 1040321111. The next prime is 1040321143. The reversal of 1040321120 is 211230401.

It is a junction number, because it is equal to n+sod(n) for n = 1040321095 and 1040321104.

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, 261869 + ... + 265811.

It is an arithmetic number, because the mean of its divisors is an integer number (27394038).

Almost surely, 2^1040321120 is an apocalyptic number.

1040321120 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 1040321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314913824).

1040321120 is an abundant number, since it is smaller than the sum of its proper divisors (1589506528).

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

1040321120 is a wasteful number, since it uses less digits than its factorization.

1040321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1040321120 is about 32254.0093631784. The cubic root of 1040321120 is about 1013.2636705727.

Adding to 1040321120 its reverse (211230401), we get a palindrome (1251551521).

The spelling of 1040321120 in words is "one billion, forty million, three hundred twenty-one thousand, one hundred twenty".