1027140 has 96 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 239616.

The previous prime is 1027139. The next prime is 1027153. The reversal of 1027140 is 417201.

1027140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19354 + ... + 19406.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2^1027140 is an apocalyptic number.

1027140 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 1027140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632960).

1027140 is an abundant number, since it is smaller than the sum of its proper divisors (2238780).

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

1027140 is a wasteful number, since it uses less digits than its factorization.

1027140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1027140 is about 1013.4791561744. The cubic root of 1027140 is about 100.8966036595.

The spelling of 1027140 in words is "one million, twenty-seven thousand, one hundred forty".