1031040 has 96 divisors (see below), whose sum is σ = 3580200. Its totient is φ = 273408.

The previous prime is 1031003. The next prime is 1031047. The reversal of 1031040 is 401301.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031047) 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 11 ways as a sum of consecutive naturals, for example, 5671 + ... + 5849.

2^1031040 is an apocalyptic number.

1031040 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 1031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790100).

1031040 is an abundant number, since it is smaller than the sum of its proper divisors (2549160).

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

1031040 is a wasteful number, since it uses less digits than its factorization.

1031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1031040 is about 1015.4013984627. The cubic root of 1031040 is about 101.0241421881.

Adding to 1031040 its reverse (401301), we get a palindrome (1432341).

The spelling of 1031040 in words is "one million, thirty-one thousand, forty".