1270851201 has 45 divisors (see below), whose sum is σ = 2025365881. Its totient is φ = 793974528.

The previous prime is 1270851187. The next prime is 1270851217. The reversal of 1270851201 is 1021580721.

The square root of 1270851201 is 35649.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 641601 + 1270209600 = 801^2 + 35640^2 .

It is not a de Polignac number, because 1270851201 - 2¹³ = 1270843009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1270851221) by changing a digit.

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 44 ways as a sum of consecutive naturals, for example, 5454181 + ... + 5454413.

Almost surely, 2^1270851201 is an apocalyptic number.

1270851201 is the 35649-th square number.

1270851201 is the 17825-th centered octagonal number.

It is an amenable number.

1270851201 is a deficient number, since it is larger than the sum of its proper divisors (754514680).

1270851201 is an frugal number, since it uses more digits than its factorization.

1270851201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The cubic root of 1270851201 is about 1083.1740191971.

The spelling of 1270851201 in words is "one billion, two hundred seventy million, eight hundred fifty-one thousand, two hundred one".