1020004 has 12 divisors (see below), whose sum is σ = 1862784. Its totient is φ = 487784.

The previous prime is 1020001. The next prime is 1020007. The reversal of 1020004 is 4000201.

It is an interprime number because it is at equal distance from previous prime (1020001) and next prime (1020007).

It is not an unprimeable number, because it can be changed into a prime (1020001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5452 + ... + 5635.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2^1020004 is an apocalyptic number.

It is an amenable number.

1020004 is a deficient number, since it is larger than the sum of its proper divisors (842780).

1020004 is a wasteful number, since it uses less digits than its factorization.

1020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114 (or 11112 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1020004 is about 1009.9524741294. The cubic root of 1020004 is about 100.6624025405.

Adding to 1020004 its reverse (4000201), we get a palindrome (5020205).

The spelling of 1020004 in words is "one million, twenty thousand, four".