1275841331 has 2 divisors, whose sum is σ = 1275841332. Its totient is φ = 1275841330.

The previous prime is 1275841319. The next prime is 1275841373. The reversal of 1275841331 is 1331485721.

It is a weak prime.

It is an emirp because it is prime and its reverse (1331485721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1275841331 - 2¹⁴ = 1275824947 is a prime.

It is a super-2 number, since 2×1275841331² = 3255542203775703122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1275841291 and 1275841300.

It is not a weakly prime, because it can be changed into another prime (1275841031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637920665 + 637920666.

It is an arithmetic number, because the mean of its divisors is an integer number (637920666).

Almost surely, 2^1275841331 is an apocalyptic number.

1275841331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275841331 is an equidigital number, since it uses as much as digits as its factorization.

1275841331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 1275841331 is about 35718.9211903159. The cubic root of 1275841331 is about 1084.5898995903.

The spelling of 1275841331 in words is "one billion, two hundred seventy-five million, eight hundred forty-one thousand, three hundred thirty-one".