1029201939092 has 6 divisors (see below), whose sum is σ = 1801103393418. Its totient is φ = 514600969544.

The previous prime is 1029201939013. The next prime is 1029201939149. The reversal of 1029201939092 is 2909391029201.

It can be written as a sum of positive squares in only one way, i.e., 934729310596 + 94472628496 = 966814^2 + 307364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128650242383 + ... + 128650242390.

It is an arithmetic number, because the mean of its divisors is an integer number (300183898903).

Almost surely, 2^{1029201939092} is an apocalyptic number.

It is an amenable number.

1029201939092 is a deficient number, since it is larger than the sum of its proper divisors (771901454326).

1029201939092 is a wasteful number, since it uses less digits than its factorization.

1029201939092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257300484777 (or 257300484775 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 1029201939092 in words is "one trillion, twenty-nine billion, two hundred one million, nine hundred thirty-nine thousand, ninety-two".