1027040 has 72 divisors (see below), whose sum is σ = 2844072. Its totient is φ = 349440.

The previous prime is 1027031. The next prime is 1027051. The reversal of 1027040 is 407201.

It is a happy number.

It is a super-2 number, since 2×1027040² = 2109622323200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7775 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (39501).

2^1027040 is an apocalyptic number.

1027040 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 1027040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422036).

1027040 is an abundant number, since it is smaller than the sum of its proper divisors (1817032).

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

1027040 is a wasteful number, since it uses less digits than its factorization.

1027040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1027040 is about 1013.4298199678. The cubic root of 1027040 is about 100.8933291991.

It can be divided in two parts, 10 and 27040, that multiplied together give a square (270400 = 520²).

The spelling of 1027040 in words is "one million, twenty-seven thousand, forty".