1185428108 has 12 divisors (see below), whose sum is σ = 2074814280. Its totient is φ = 592624032.

The previous prime is 1185428087. The next prime is 1185428117. The reversal of 1185428108 is 8018245811.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13535 + ... + 50537.

It is an arithmetic number, because the mean of its divisors is an integer number (172901190).

Almost surely, 2^1185428108 is an apocalyptic number.

It is an amenable number.

1185428108 is a deficient number, since it is larger than the sum of its proper divisors (889386172).

1185428108 is a wasteful number, since it uses less digits than its factorization.

1185428108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45016 (or 45014 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 38.

The square root of 1185428108 is about 34430.0465872470. The cubic root of 1185428108 is about 1058.3396660267.

The spelling of 1185428108 in words is "one billion, one hundred eighty-five million, four hundred twenty-eight thousand, one hundred eight".