1026040 has 32 divisors (see below), whose sum is σ = 2339280. Its totient is φ = 404992.

The previous prime is 1026037. The next prime is 1026041. The reversal of 1026040 is 406201.

It is a self number, because there is not a number n which added to its sum of digits gives 1026040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026041) 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, 4407 + ... + 4633.

2^1026040 is an apocalyptic number.

1026040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026040 is an abundant number, since it is smaller than the sum of its proper divisors (1313240).

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

1026040 is a wasteful number, since it uses less digits than its factorization.

1026040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1026040 is about 1012.9363257382. The cubic root of 1026040 is about 100.8605728986.

The spelling of 1026040 in words is "one million, twenty-six thousand, forty".