1204264005 has 64 divisors (see below), whose sum is σ = 2296166400. Its totient is φ = 527304960.

The previous prime is 1204263979. The next prime is 1204264031. The reversal of 1204264005 is 5004624021.

It is an interprime number because it is at equal distance from previous prime (1204263979) and next prime (1204264031).

It is not a de Polignac number, because 1204264005 - 2⁶ = 1204263941 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 397386 + ... + 400404.

It is an arithmetic number, because the mean of its divisors is an integer number (35877600).

Almost surely, 2^1204264005 is an apocalyptic number.

1204264005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1204264005 is a deficient number, since it is larger than the sum of its proper divisors (1091902395).

1204264005 is a wasteful number, since it uses less digits than its factorization.

1204264005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1204264005 is about 34702.5071860810. The cubic root of 1204264005 is about 1063.9157428168.

Adding to 1204264005 its reverse (5004624021), we get a palindrome (6208888026).

The spelling of 1204264005 in words is "one billion, two hundred four million, two hundred sixty-four thousand, five".