1225004 has 18 divisors (see below), whose sum is σ = 2357292. Its totient is φ = 556600.

The previous prime is 1224991. The next prime is 1225009. The reversal of 1225004 is 4005221.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225004.

It is not an unprimeable number, because it can be changed into a prime (1225009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 782 + ... + 1749.

2^1225004 is an apocalyptic number.

It is an amenable number.

1225004 is a deficient number, since it is larger than the sum of its proper divisors (1132288).

1225004 is a wasteful number, since it uses less digits than its factorization.

1225004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1225004 is about 1106.7989880733. The cubic root of 1225004 is about 106.9988645176.

It can be divided in two parts, 122500 and 4, that multiplied together give a square (490000 = 700²).

The spelling of 1225004 in words is "one million, two hundred twenty-five thousand, four".