1240683 has 8 divisors (see below), whose sum is σ = 1661328. Its totient is φ = 823584.

The previous prime is 1240669. The next prime is 1240691. The reversal of 1240683 is 3860421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1240683 - 2⁴ = 1240667 is a prime.

1240683 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240483) 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, 85 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (207666).

2^1240683 is an apocalyptic number.

1240683 is a deficient number, since it is larger than the sum of its proper divisors (420645).

1240683 is a wasteful number, since it uses less digits than its factorization.

1240683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1240683 is about 1113.8595064011. The cubic root of 1240683 is about 107.4534285381.

The spelling of 1240683 in words is "one million, two hundred forty thousand, six hundred eighty-three".