1172789506234 has 24 divisors (see below), whose sum is σ = 1906825655988. Its totient is φ = 540517484160.

The previous prime is 1172789506171. The next prime is 1172789506243. The reversal of 1172789506234 is 4326059872711.

It can be written as a sum of positive squares in 2 ways, for example, as 1164139576209 + 8649930025 = 1078953^2 + 93005^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21924127 + ... + 21977554.

It is a 2-persistent number, because it is pandigital, and so is 2⋅1172789506234 = 2345579012468, but 3⋅1172789506234 = 3518368518702 is not.

Almost surely, 2^{1172789506234} is an apocalyptic number.

1172789506234 is a deficient number, since it is larger than the sum of its proper divisors (734036149754).

1172789506234 is a wasteful number, since it uses less digits than its factorization.

1172789506234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43901758 (or 43901739 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 1172789506234 in words is "one trillion, one hundred seventy-two billion, seven hundred eighty-nine million, five hundred six thousand, two hundred thirty-four".