1031340 has 24 divisors (see below), whose sum is σ = 2887920. Its totient is φ = 275008.

The previous prime is 1031323. The next prime is 1031347. The reversal of 1031340 is 431301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1031347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8535 + ... + 8654.

It is an arithmetic number, because the mean of its divisors is an integer number (120330).

2^1031340 is an apocalyptic number.

1031340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031340 is an abundant number, since it is smaller than the sum of its proper divisors (1856580).

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

1031340 is a wasteful number, since it uses less digits than its factorization.

1031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201 (or 17199 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1031340 is about 1015.5491125495. The cubic root of 1031340 is about 101.0339395137.

Adding to 1031340 its reverse (431301), we get a palindrome (1462641).

The spelling of 1031340 in words is "one million, thirty-one thousand, three hundred forty".