1185680052 has 24 divisors (see below), whose sum is σ = 3073985600. Its totient is φ = 395226648.

The previous prime is 1185680029. The next prime is 1185680053. The reversal of 1185680052 is 2500865811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1185679989 and 1185680016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1185680053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5489152 + ... + 5489367.

Almost surely, 2^1185680052 is an apocalyptic number.

1185680052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1185680052 is an abundant number, since it is smaller than the sum of its proper divisors (1888305548).

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

1185680052 is a wasteful number, since it uses less digits than its factorization.

1185680052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978532 (or 10978524 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 1185680052 is about 34433.7051738555. The cubic root of 1185680052 is about 1058.4146385026.

The spelling of 1185680052 in words is "one billion, one hundred eighty-five million, six hundred eighty thousand, fifty-two".