1150221393 has 12 divisors (see below), whose sum is σ = 1669782400. Its totient is φ = 762959736.

The previous prime is 1150221353. The next prime is 1150221439. The reversal of 1150221393 is 3931220511.

1150221393 is a `hidden beast` number, since 1 + 1 + 50 + 221 + 393 = 666.

It is not a de Polignac number, because 1150221393 - 2¹⁶ = 1150155857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1150221313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319321 + ... + 322902.

Almost surely, 2^1150221393 is an apocalyptic number.

It is an amenable number.

1150221393 is a deficient number, since it is larger than the sum of its proper divisors (519561007).

1150221393 is a wasteful number, since it uses less digits than its factorization.

1150221393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642428 (or 642425 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1150221393 is about 33914.9140202360. The cubic root of 1150221393 is about 1047.7567810702.

The spelling of 1150221393 in words is "one billion, one hundred fifty million, two hundred twenty-one thousand, three hundred ninety-three".