1154140321 has 8 divisors (see below), whose sum is σ = 1160029440. Its totient is φ = 1148260512.

The previous prime is 1154140307. The next prime is 1154140327. The reversal of 1154140321 is 1230414511.

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 1154140321 - 2¹⁵ = 1154107553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154140292 and 1154140301.

It is not an unprimeable number, because it can be changed into a prime (1154140327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475116 + ... + 477538.

It is an arithmetic number, because the mean of its divisors is an integer number (145003680).

Almost surely, 2^1154140321 is an apocalyptic number.

It is an amenable number.

1154140321 is a deficient number, since it is larger than the sum of its proper divisors (5889119).

1154140321 is a wasteful number, since it uses less digits than its factorization.

1154140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1154140321 is about 33972.6407716562. The cubic root of 1154140321 is about 1048.9453722200.

Adding to 1154140321 its reverse (1230414511), we get a palindrome (2384554832).

The spelling of 1154140321 in words is "one billion, one hundred fifty-four million, one hundred forty thousand, three hundred twenty-one".