1185428264 has 8 divisors (see below), whose sum is σ = 2222678010. Its totient is φ = 592714128.

The previous prime is 1185428249. The next prime is 1185428269. The reversal of 1185428264 is 4628245811.

It can be written as a sum of positive squares in only one way, i.e., 1185424900 + 3364 = 34430^2 + 58^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1185428269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74089259 + ... + 74089274.

Almost surely, 2^1185428264 is an apocalyptic number.

It is an amenable number.

1185428264 is a deficient number, since it is larger than the sum of its proper divisors (1037249746).

1185428264 is a wasteful number, since it uses less digits than its factorization.

1185428264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148178539 (or 148178535 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 1185428264 is about 34430.0488527100. The cubic root of 1185428264 is about 1058.3397124518.

The spelling of 1185428264 in words is "one billion, one hundred eighty-five million, four hundred twenty-eight thousand, two hundred sixty-four".