1152213241 has 4 divisors (see below), whose sum is σ = 1156803984. Its totient is φ = 1147622500.

The previous prime is 1152213217. The next prime is 1152213299. The reversal of 1152213241 is 1423122511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1423122511 = 79 ⋅18014209.

It is a cyclic number.

It is not a de Polignac number, because 1152213241 - 2¹⁵ = 1152180473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152213211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294995 + ... + 2295496.

It is an arithmetic number, because the mean of its divisors is an integer number (289200996).

Almost surely, 2^1152213241 is an apocalyptic number.

It is an amenable number.

1152213241 is a deficient number, since it is larger than the sum of its proper divisors (4590743).

1152213241 is an equidigital number, since it uses as much as digits as its factorization.

1152213241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590742.

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

The square root of 1152213241 is about 33944.2666882052. The cubic root of 1152213241 is about 1048.3612353499.

Adding to 1152213241 its reverse (1423122511), we get a palindrome (2575335752).

The spelling of 1152213241 in words is "one billion, one hundred fifty-two million, two hundred thirteen thousand, two hundred forty-one".