1201177841137 has 2 divisors, whose sum is σ = 1201177841138. Its totient is φ = 1201177841136.

The previous prime is 1201177840981. The next prime is 1201177841141. The reversal of 1201177841137 is 7311487711021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660723496801 + 540454344336 = 812849^2 + 735156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201177841137 - 2³¹ = 1199030357489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201177841093 and 1201177841102.

It is not a weakly prime, because it can be changed into another prime (1201177845137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600588920568 + 600588920569.

It is an arithmetic number, because the mean of its divisors is an integer number (600588920569).

Almost surely, 2^{1201177841137} is an apocalyptic number.

It is an amenable number.

1201177841137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201177841137 is an equidigital number, since it uses as much as digits as its factorization.

1201177841137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 43.

The spelling of 1201177841137 in words is "one trillion, two hundred one billion, one hundred seventy-seven million, eight hundred forty-one thousand, one hundred thirty-seven".