1347272141 has 2 divisors, whose sum is σ = 1347272142. Its totient is φ = 1347272140.

The previous prime is 1347272119. The next prime is 1347272149. The reversal of 1347272141 is 1412727431.

1347272141 = 25954² + 25955².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 673662025 + 673610116 = 25955^2 + 25954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347272141 - 2⁶ = 1347272077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1347272098 and 1347272107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1347272149) 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 as a sum of consecutive naturals, namely, 673636070 + 673636071.

It is an arithmetic number, because the mean of its divisors is an integer number (673636071).

Almost surely, 2^1347272141 is an apocalyptic number.

1347272141 is the 25955-th centered square number.

It is an amenable number.

1347272141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347272141 is an equidigital number, since it uses as much as digits as its factorization.

1347272141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 1347272141 is about 36705.2059114235. The cubic root of 1347272141 is about 1104.4645388591.

Adding to 1347272141 its reverse (1412727431), we get a palindrome (2759999572).

The spelling of 1347272141 in words is "one billion, three hundred forty-seven million, two hundred seventy-two thousand, one hundred forty-one".