1260731141 has 2 divisors, whose sum is σ = 1260731142. Its totient is φ = 1260731140.

The previous prime is 1260731137. The next prime is 1260731183. The reversal of 1260731141 is 1411370621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 728460100 + 532271041 = 26990^2 + 23071^2 .

It is an emirp because it is prime and its reverse (1411370621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1260731141 - 2² = 1260731137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1260731141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260731341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630365570 + 630365571.

It is an arithmetic number, because the mean of its divisors is an integer number (630365571).

Almost surely, 2^1260731141 is an apocalyptic number.

It is an amenable number.

1260731141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260731141 is an equidigital number, since it uses as much as digits as its factorization.

1260731141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1260731141 is about 35506.7759871267. The cubic root of 1260731141 is about 1080.2911712065.

The spelling of 1260731141 in words is "one billion, two hundred sixty million, seven hundred thirty-one thousand, one hundred forty-one".