1172831052 has 12 divisors (see below), whose sum is σ = 2736605816. Its totient is φ = 390943680.

The previous prime is 1172830961. The next prime is 1172831059. The reversal of 1172831052 is 2501382711.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1172831059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48867949 + ... + 48867972.

Almost surely, 2^1172831052 is an apocalyptic number.

1172831052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1172831052 is an abundant number, since it is smaller than the sum of its proper divisors (1563774764).

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

1172831052 is a wasteful number, since it uses less digits than its factorization.

1172831052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97735928 (or 97735926 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 1172831052 is about 34246.6210304024. The cubic root of 1172831052 is about 1054.5774614227.

The spelling of 1172831052 in words is "one billion, one hundred seventy-two million, eight hundred thirty-one thousand, fifty-two".