1240004 has 12 divisors (see below), whose sum is σ = 2223228. Its totient is φ = 604800.

The previous prime is 1239989. The next prime is 1240007. The reversal of 1240004 is 4000421.

It can be written as a sum of positive squares in 2 ways, for example, as 158404 + 1081600 = 398^2 + 1040^2 .

It is not an unprimeable number, because it can be changed into a prime (1240007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 3944.

It is an arithmetic number, because the mean of its divisors is an integer number (185269).

2^1240004 is an apocalyptic number.

It is an amenable number.

1240004 is a deficient number, since it is larger than the sum of its proper divisors (983224).

1240004 is a wasteful number, since it uses less digits than its factorization.

1240004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606 (or 7604 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1240004 is about 1113.5546686176. The cubic root of 1240004 is about 107.4338226189.

Adding to 1240004 its reverse (4000421), we get a palindrome (5240425).

The spelling of 1240004 in words is "one million, two hundred forty thousand, four".