1204323642029 has 4 divisors (see below), whose sum is σ = 1204601973984. Its totient is φ = 1204045310076.

The previous prime is 1204323641959. The next prime is 1204323642101. The reversal of 1204323642029 is 9202463234021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204323642029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204323641983 and 1204323642001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204323642329) 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 3 ways as a sum of consecutive naturals, for example, 139159487 + ... + 139168140.

It is an arithmetic number, because the mean of its divisors is an integer number (301150493496).

Almost surely, 2^{1204323642029} is an apocalyptic number.

It is an amenable number.

1204323642029 is a deficient number, since it is larger than the sum of its proper divisors (278331955).

1204323642029 is an equidigital number, since it uses as much as digits as its factorization.

1204323642029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278331954.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 1204323642029 in words is "one trillion, two hundred four billion, three hundred twenty-three million, six hundred forty-two thousand, twenty-nine".