1204520045 has 8 divisors (see below), whose sum is σ = 1445812224. Its totient is φ = 963357264.

The previous prime is 1204520011. The next prime is 1204520069. The reversal of 1204520045 is 5400254021.

It is a happy number.

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 1204520045 - 2¹⁰ = 1204519021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1204520045.

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, 10529 + ... + 50198.

It is an arithmetic number, because the mean of its divisors is an integer number (180726528).

Almost surely, 2^1204520045 is an apocalyptic number.

It is an amenable number.

1204520045 is a deficient number, since it is larger than the sum of its proper divisors (241292179).

1204520045 is an equidigital number, since it uses as much as digits as its factorization.

1204520045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64699.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1204520045 is about 34706.1960606460. The cubic root of 1204520045 is about 1063.9911376036.

Adding to 1204520045 its reverse (5400254021), we get a palindrome (6604774066).

The spelling of 1204520045 in words is "one billion, two hundred four million, five hundred twenty thousand, forty-five".