1371227141 has 4 divisors (see below), whose sum is σ = 1408287372. Its totient is φ = 1334166912.

The previous prime is 1371227107. The next prime is 1371227161. The reversal of 1371227141 is 1417221731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1228782916 + 142444225 = 35054^2 + 11935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371227141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371227101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18530060 + ... + 18530133.

It is an arithmetic number, because the mean of its divisors is an integer number (352071843).

Almost surely, 2^1371227141 is an apocalyptic number.

It is an amenable number.

1371227141 is a deficient number, since it is larger than the sum of its proper divisors (37060231).

1371227141 is an equidigital number, since it uses as much as digits as its factorization.

1371227141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37060230.

The product of its digits is 2352, while the sum is 29.

The square root of 1371227141 is about 37030.0842694153. The cubic root of 1371227141 is about 1110.9720514076.

Adding to 1371227141 its reverse (1417221731), we get a palindrome (2788448872).

The spelling of 1371227141 in words is "one billion, three hundred seventy-one million, two hundred twenty-seven thousand, one hundred forty-one".