1185521048 has 16 divisors (see below), whose sum is σ = 2256029880. Its totient is φ = 583913088.

The previous prime is 1185521041. The next prime is 1185521059. The reversal of 1185521048 is 8401255811.

It is a junction number, because it is equal to n+sod(n) for n = 1185520999 and 1185521017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1185521041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105361 + ... + 1106432.

Almost surely, 2^1185521048 is an apocalyptic number.

It is an amenable number.

1185521048 is a deficient number, since it is larger than the sum of its proper divisors (1070508832).

1185521048 is a wasteful number, since it uses less digits than its factorization.

1185521048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211866 (or 2211862 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 1185521048 is about 34431.3962540005. The cubic root of 1185521048 is about 1058.3673239722.

Adding to 1185521048 its reverse (8401255811), we get a palindrome (9586776859).

The spelling of 1185521048 in words is "one billion, one hundred eighty-five million, five hundred twenty-one thousand, forty-eight".