1154230321 has 8 divisors (see below), whose sum is σ = 1215466560. Its totient is φ = 1093915152.

The previous prime is 1154230307. The next prime is 1154230331. The reversal of 1154230321 is 1230324511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1154230321 - 2⁷ = 1154230193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154230292 and 1154230301.

It is not an unprimeable number, because it can be changed into a prime (1154230331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227695 + ... + 232708.

It is an arithmetic number, because the mean of its divisors is an integer number (151933320).

Almost surely, 2^1154230321 is an apocalyptic number.

It is an amenable number.

1154230321 is a deficient number, since it is larger than the sum of its proper divisors (61236239).

1154230321 is a wasteful number, since it uses less digits than its factorization.

1154230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460535.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1154230321 is about 33973.9653411255. The cubic root of 1154230321 is about 1048.9726371398.

Adding to 1154230321 its reverse (1230324511), we get a palindrome (2384554832).

The spelling of 1154230321 in words is "one billion, one hundred fifty-four million, two hundred thirty thousand, three hundred twenty-one".