1071040 has 28 divisors (see below), whose sum is σ = 2551176. Its totient is φ = 428288.

The previous prime is 1071023. The next prime is 1071047. The reversal of 1071040 is 401701.

It is a super-2 number, since 2×1071040² = 2294253363200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1071040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354 + ... + 1993.

2^1071040 is an apocalyptic number.

1071040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071040 is an abundant number, since it is smaller than the sum of its proper divisors (1480136).

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

1071040 is an equidigital number, since it uses as much as digits as its factorization.

1071040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1071040 is about 1034.9106241604. The cubic root of 1071040 is about 102.3140391876.

Adding to 1071040 its reverse (401701), we get a palindrome (1472741).

The spelling of 1071040 in words is "one million, seventy-one thousand, forty".