1341132257 has 2 divisors, whose sum is σ = 1341132258. Its totient is φ = 1341132256.

The previous prime is 1341132241. The next prime is 1341132283. The reversal of 1341132257 is 7522311431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 911979601 + 429152656 = 30199^2 + 20716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341132257 - 2⁴ = 1341132241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1341137257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670566128 + 670566129.

It is an arithmetic number, because the mean of its divisors is an integer number (670566129).

Almost surely, 2^1341132257 is an apocalyptic number.

It is an amenable number.

1341132257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341132257 is an equidigital number, since it uses as much as digits as its factorization.

1341132257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 1341132257 is about 36621.4726219468. The cubic root of 1341132257 is about 1102.7842023511.

Adding to 1341132257 its reverse (7522311431), we get a palindrome (8863443688).

The spelling of 1341132257 in words is "one billion, three hundred forty-one million, one hundred thirty-two thousand, two hundred fifty-seven".