1204000423145 has 16 divisors (see below), whose sum is σ = 1557466021440. Its totient is φ = 888235425984.

The previous prime is 1204000423133. The next prime is 1204000423177. The reversal of 1204000423145 is 5413240004021.

It is a cyclic number.

It is not a de Polignac number, because 1204000423145 - 2¹² = 1204000419049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9022619 + ... + 9155088.

It is an arithmetic number, because the mean of its divisors is an integer number (97341626340).

Almost surely, 2^{1204000423145} is an apocalyptic number.

It is an amenable number.

1204000423145 is a deficient number, since it is larger than the sum of its proper divisors (353465598295).

1204000423145 is a wasteful number, since it uses less digits than its factorization.

1204000423145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18178744.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1204000423145 its reverse (5413240004021), we get a palindrome (6617240427166).

The spelling of 1204000423145 in words is "one trillion, two hundred four billion, four hundred twenty-three thousand, one hundred forty-five".