1153221052 has 6 divisors (see below), whose sum is σ = 2018136848. Its totient is φ = 576610524.

The previous prime is 1153221031. The next prime is 1153221067. The reversal of 1153221052 is 2501223511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144152628 + ... + 144152635.

Almost surely, 2^1153221052 is an apocalyptic number.

It is an amenable number.

1153221052 is a deficient number, since it is larger than the sum of its proper divisors (864915796).

1153221052 is a wasteful number, since it uses less digits than its factorization.

1153221052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288305267 (or 288305265 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1153221052 is about 33959.1085277573. The cubic root of 1153221052 is about 1048.6668043920. Note that the first 3 decimals are identical.

Adding to 1153221052 its reverse (2501223511), we get a palindrome (3654444563).

The spelling of 1153221052 in words is "one billion, one hundred fifty-three million, two hundred twenty-one thousand, fifty-two".