1204412145 has 16 divisors (see below), whose sum is σ = 1928975040. Its totient is φ = 641714624.

The previous prime is 1204412129. The next prime is 1204412149. The reversal of 1204412145 is 5412144021.

It is a cyclic number.

It is not a de Polignac number, because 1204412145 - 2⁴ = 1204412129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1204412149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24114 + ... + 54683.

It is an arithmetic number, because the mean of its divisors is an integer number (120560940).

Almost surely, 2^1204412145 is an apocalyptic number.

1204412145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1204412145 is a deficient number, since it is larger than the sum of its proper divisors (724562895).

1204412145 is a wasteful number, since it uses less digits than its factorization.

1204412145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79824.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1204412145 is about 34704.6415483578. The cubic root of 1204412145 is about 1063.9593661461.

Adding to 1204412145 its reverse (5412144021), we get a palindrome (6616556166).

The spelling of 1204412145 in words is "one billion, two hundred four million, four hundred twelve thousand, one hundred forty-five".