1150705221 has 16 divisors (see below), whose sum is σ = 1587273408. Its totient is φ = 741008000.

The previous prime is 1150705219. The next prime is 1150705223. The reversal of 1150705221 is 1225070511.

It is an interprime number because it is at equal distance from previous prime (1150705219) and next prime (1150705223).

It is a cyclic number.

It is not a de Polignac number, because 1150705221 - 2¹ = 1150705219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1150705191 and 1150705200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150705223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33891 + ... + 58736.

It is an arithmetic number, because the mean of its divisors is an integer number (99204588).

Almost surely, 2^1150705221 is an apocalyptic number.

It is an amenable number.

1150705221 is a deficient number, since it is larger than the sum of its proper divisors (436568187).

1150705221 is a wasteful number, since it uses less digits than its factorization.

1150705221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92772.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 1150705221 is about 33922.0462383978. The cubic root of 1150705221 is about 1047.9036696051.

Adding to 1150705221 its reverse (1225070511), we get a palindrome (2375775732).

The spelling of 1150705221 in words is "one billion, one hundred fifty million, seven hundred five thousand, two hundred twenty-one".