1172532040 has 32 divisors (see below), whose sum is σ = 2639261880. Its totient is φ = 468823552.

The previous prime is 1172531989. The next prime is 1172532061. The reversal of 1172532040 is 402352711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1168682596 + 3849444 = 34186^2 + 1962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1172531996 and 1172532014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137172 + ... + 145468.

Almost surely, 2^1172532040 is an apocalyptic number.

1172532040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1172532040 is an abundant number, since it is smaller than the sum of its proper divisors (1466729840).

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

1172532040 is a wasteful number, since it uses less digits than its factorization.

1172532040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841 (or 11837 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1172532040 is about 34242.2551827417. The cubic root of 1172532040 is about 1054.4878326801.

Adding to 1172532040 its reverse (402352711), we get a palindrome (1574884751).

The spelling of 1172532040 in words is "one billion, one hundred seventy-two million, five hundred thirty-two thousand, forty".