1152421436 has 6 divisors (see below), whose sum is σ = 2016737520. Its totient is φ = 576210716.

The previous prime is 1152421379. The next prime is 1152421451. The reversal of 1152421436 is 6341242511.

It is a junction number, because it is equal to n+sod(n) for n = 1152421399 and 1152421408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144052676 + ... + 144052683.

It is an arithmetic number, because the mean of its divisors is an integer number (336122920).

Almost surely, 2^1152421436 is an apocalyptic number.

It is an amenable number.

1152421436 is a deficient number, since it is larger than the sum of its proper divisors (864316084).

1152421436 is a wasteful number, since it uses less digits than its factorization.

1152421436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288105363 (or 288105361 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1152421436 is about 33947.3332678725. Note that the first 3 decimals coincide. The cubic root of 1152421436 is about 1048.4243748264.

Adding to 1152421436 its reverse (6341242511), we get a palindrome (7493663947).

The spelling of 1152421436 in words is "one billion, one hundred fifty-two million, four hundred twenty-one thousand, four hundred thirty-six".