1043240 has 32 divisors (see below), whose sum is σ = 2561760. Its totient is φ = 379200.

The previous prime is 1043221. The next prime is 1043279. The reversal of 1043240 is 423401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (80055).

2^1043240 is an apocalyptic number.

1043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043240 is an abundant number, since it is smaller than the sum of its proper divisors (1518520).

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

1043240 is a wasteful number, since it uses less digits than its factorization.

1043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1043240 is about 1021.3912081078. The cubic root of 1043240 is about 101.4210440187.

Adding to 1043240 its reverse (423401), we get a palindrome (1466641).

The spelling of 1043240 in words is "one million, forty-three thousand, two hundred forty".