1152020223 has 12 divisors (see below), whose sum is σ = 1675051248. Its totient is φ = 762926400.

The previous prime is 1152020213. The next prime is 1152020231. The reversal of 1152020223 is 3220202511.

It is not a de Polignac number, because 1152020223 - 2¹³ = 1152012031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1152020196 and 1152020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422490 + ... + 425207.

It is an arithmetic number, because the mean of its divisors is an integer number (139587604).

Almost surely, 2^1152020223 is an apocalyptic number.

1152020223 is a deficient number, since it is larger than the sum of its proper divisors (523031025).

1152020223 is a wasteful number, since it uses less digits than its factorization.

1152020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847854 (or 847851 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1152020223 is about 33941.4234085726. The cubic root of 1152020223 is about 1048.3026918205.

Adding to 1152020223 its reverse (3220202511), we get a palindrome (4372222734).

The spelling of 1152020223 in words is "one billion, one hundred fifty-two million, twenty thousand, two hundred twenty-three".