1171870297029 has 6 divisors (see below), whose sum is σ = 1692701540166. Its totient is φ = 781246864680.

The previous prime is 1171870297027. The next prime is 1171870297069. The reversal of 1171870297029 is 9207920781711.

It can be written as a sum of positive squares in only one way, i.e., 921196844100 + 250673452929 = 959790^2 + 500673^2 .

It is not a de Polignac number, because 1171870297029 - 2¹ = 1171870297027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171870297027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65103905382 + ... + 65103905399.

It is an arithmetic number, because the mean of its divisors is an integer number (282116923361).

Almost surely, 2^{1171870297029} is an apocalyptic number.

It is an amenable number.

1171870297029 is a deficient number, since it is larger than the sum of its proper divisors (520831243137).

1171870297029 is a wasteful number, since it uses less digits than its factorization.

1171870297029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130207810787 (or 130207810784 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 54.

The spelling of 1171870297029 in words is "one trillion, one hundred seventy-one billion, eight hundred seventy million, two hundred ninety-seven thousand, twenty-nine".