1201007271 has 16 divisors (see below), whose sum is σ = 1686556800. Its totient is φ = 758111328.

The previous prime is 1201007237. The next prime is 1201007273. The reversal of 1201007271 is 1727001021.

It is a happy number.

It is not a de Polignac number, because 1201007271 - 2¹⁴ = 1200990887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201007273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122800 + ... + 132218.

It is an arithmetic number, because the mean of its divisors is an integer number (105409800).

Almost surely, 2^1201007271 is an apocalyptic number.

1201007271 is a deficient number, since it is larger than the sum of its proper divisors (485549529).

1201007271 is a wasteful number, since it uses less digits than its factorization.

1201007271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 1201007271 is about 34655.5518063124. The cubic root of 1201007271 is about 1062.9558152404.

Adding to 1201007271 its reverse (1727001021), we get a palindrome (2928008292).

The spelling of 1201007271 in words is "one billion, two hundred one million, seven thousand, two hundred seventy-one".