1153421036 has 12 divisors (see below), whose sum is σ = 2019754128. Its totient is φ = 576348432.

The previous prime is 1153421029. The next prime is 1153421039. The reversal of 1153421036 is 6301243511.

It is a junction number, because it is equal to n+sod(n) for n = 1153420996 and 1153421014.

It is not an unprimeable number, because it can be changed into a prime (1153421039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83291 + ... + 96146.

It is an arithmetic number, because the mean of its divisors is an integer number (168312844).

Almost surely, 2^1153421036 is an apocalyptic number.

It is an amenable number.

1153421036 is a deficient number, since it is larger than the sum of its proper divisors (866333092).

1153421036 is a wasteful number, since it uses less digits than its factorization.

1153421036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181048 (or 181046 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1153421036 is about 33962.0528825924. The cubic root of 1153421036 is about 1048.7274185187.

Adding to 1153421036 its reverse (6301243511), we get a palindrome (7454664547).

The spelling of 1153421036 in words is "one billion, one hundred fifty-three million, four hundred twenty-one thousand, thirty-six".