1272688201 has 8 divisors (see below), whose sum is σ = 1295792064. Its totient is φ = 1249656720.

The previous prime is 1272688177. The next prime is 1272688217. The reversal of 1272688201 is 1028862721.

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

It is a cyclic number.

It is not a de Polignac number, because 1272688201 - 2¹⁹ = 1272163913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272688271) 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, 18036 + ... + 53578.

It is an arithmetic number, because the mean of its divisors is an integer number (161974008).

Almost surely, 2^1272688201 is an apocalyptic number.

It is an amenable number.

1272688201 is a deficient number, since it is larger than the sum of its proper divisors (23103863).

1272688201 is an equidigital number, since it uses as much as digits as its factorization.

1272688201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36191.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1272688201 is about 35674.7557945391. The cubic root of 1272688201 is about 1083.6956728996.

The spelling of 1272688201 in words is "one billion, two hundred seventy-two million, six hundred eighty-eight thousand, two hundred one".