1272901300901 has 8 divisors (see below), whose sum is σ = 1294719221208. Its totient is φ = 1251114048000.

The previous prime is 1272901300873. The next prime is 1272901301011. The reversal of 1272901300901 is 1090031092721.

It can be written as a sum of positive squares in 4 ways, for example, as 82949760100 + 1189951540801 = 288010^2 + 1090849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1272901300901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272901305901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7583120 + ... + 7749161.

It is an arithmetic number, because the mean of its divisors is an integer number (161839902651).

Almost surely, 2^{1272901300901} is an apocalyptic number.

It is an amenable number.

1272901300901 is a deficient number, since it is larger than the sum of its proper divisors (21817920307).

1272901300901 is a wasteful number, since it uses less digits than its factorization.

1272901300901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15333703.

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 1272901300901 in words is "one trillion, two hundred seventy-two billion, nine hundred one million, three hundred thousand, nine hundred one".