1075440 has 40 divisors (see below), whose sum is σ = 3334608. Its totient is φ = 286720.

The previous prime is 1075433. The next prime is 1075441. The reversal of 1075440 is 445701.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×1075440³ = 3731468773335552000, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075441) 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, 2001 + ... + 2480.

2^1075440 is an apocalyptic number.

1075440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075440 is an abundant number, since it is smaller than the sum of its proper divisors (2259168).

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

1075440 is a wasteful number, since it uses less digits than its factorization.

1075440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497 (or 4491 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1075440 is about 1037.0342328004. The cubic root of 1075440 is about 102.4539551269.

The spelling of 1075440 in words is "one million, seventy-five thousand, four hundred forty".