1171972032 has 112 divisors (see below), whose sum is σ = 3866034432. Its totient is φ = 304404480.

The previous prime is 1171972013. The next prime is 1171972049. The reversal of 1171972032 is 2302791711.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1171971984 and 1171972002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24853 + ... + 54420.

Almost surely, 2^1171972032 is an apocalyptic number.

1171972032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1171972032 is an abundant number, since it is smaller than the sum of its proper divisors (2694062400).

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

1171972032 is a wasteful number, since it uses less digits than its factorization.

1171972032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79306 (or 79296 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 1171972032 is about 34234.0770578089. The cubic root of 1171972032 is about 1054.3199294760.

The spelling of 1171972032 in words is "one billion, one hundred seventy-one million, nine hundred seventy-two thousand, thirty-two".