1172143134 has 24 divisors (see below), whose sum is σ = 2549310192. Its totient is φ = 389227200.

The previous prime is 1172143123. The next prime is 1172143151. The reversal of 1172143134 is 4313412711.

It is a junction number, because it is equal to n+sod(n) for n = 1172143098 and 1172143107.

It is a congruent number.

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, 119067 + ... + 128534.

It is an arithmetic number, because the mean of its divisors is an integer number (106221258).

Almost surely, 2^1172143134 is an apocalyptic number.

1172143134 is an abundant number, since it is smaller than the sum of its proper divisors (1377167058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1172143134 is a wasteful number, since it uses less digits than its factorization.

1172143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247872 (or 247869 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1172143134 is about 34236.5759678155. The cubic root of 1172143134 is about 1054.3712354416.

Adding to 1172143134 its reverse (4313412711), we get a palindrome (5485555845).

The spelling of 1172143134 in words is "one billion, one hundred seventy-two million, one hundred forty-three thousand, one hundred thirty-four".