1204045 has 8 divisors (see below), whose sum is σ = 1452024. Its totient is φ = 958464.

The previous prime is 1204037. The next prime is 1204097. The reversal of 1204045 is 5404021.

It can be written as a sum of positive squares in 4 ways, for example, as 161604 + 1042441 = 402^2 + 1021^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1204045 - 2³ = 1204037 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

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, 817 + ... + 1753.

It is an arithmetic number, because the mean of its divisors is an integer number (181503).

2^1204045 is an apocalyptic number.

It is an amenable number.

1204045 is a deficient number, since it is larger than the sum of its proper divisors (247979).

1204045 is an equidigital number, since it uses as much as digits as its factorization.

1204045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1204045 is about 1097.2898432046. The cubic root of 1204045 is about 106.3851245057.

Adding to 1204045 its reverse (5404021), we get a palindrome (6608066).

It can be divided in two parts, 120404 and 5, that added together give a square (120409 = 347²).

The spelling of 1204045 in words is "one million, two hundred four thousand, forty-five".