1204244065 has 4 divisors (see below), whose sum is σ = 1445092884. Its totient is φ = 963395248.

The previous prime is 1204244059. The next prime is 1204244071. The reversal of 1204244065 is 5604424021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1204244059) and next prime (1204244071).

It can be written as a sum of positive squares in 2 ways, for example, as 411765264 + 792478801 = 20292^2 + 28151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204244065 - 2³ = 1204244057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120424402 + ... + 120424411.

It is an arithmetic number, because the mean of its divisors is an integer number (361273221).

Almost surely, 2^1204244065 is an apocalyptic number.

It is an amenable number.

1204244065 is a deficient number, since it is larger than the sum of its proper divisors (240848819).

1204244065 is an equidigital number, since it uses as much as digits as its factorization.

1204244065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240848818.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1204244065 is about 34702.2198857652. The cubic root of 1204244065 is about 1063.9098707386.

Adding to 1204244065 its reverse (5604424021), we get a palindrome (6808668086).

The spelling of 1204244065 in words is "one billion, two hundred four million, two hundred forty-four thousand, sixty-five".