1189472485 has 32 divisors (see below), whose sum is σ = 1610300160. Its totient is φ = 838937088.

The previous prime is 1189472483. The next prime is 1189472519. The reversal of 1189472485 is 5842749811.

It is a cyclic number.

It is not a de Polignac number, because 1189472485 - 2¹ = 1189472483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189472483) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 73489 + ... + 88201.

It is an arithmetic number, because the mean of its divisors is an integer number (50321880).

Almost surely, 2^1189472485 is an apocalyptic number.

It is an amenable number.

1189472485 is a deficient number, since it is larger than the sum of its proper divisors (420827675).

1189472485 is a wasteful number, since it uses less digits than its factorization.

1189472485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797.

The product of its digits is 645120, while the sum is 49.

The square root of 1189472485 is about 34488.7298258431. The cubic root of 1189472485 is about 1059.5418944283.

The spelling of 1189472485 in words is "one billion, one hundred eighty-nine million, four hundred seventy-two thousand, four hundred eighty-five".