1151234243 has 8 divisors (see below), whose sum is σ = 1182773712. Its totient is φ = 1119717216.

The previous prime is 1151234213. The next prime is 1151234261. The reversal of 1151234243 is 3424321511.

It is a happy number.

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 1151234243 - 2⁶ = 1151234179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151234213) 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, 189296 + ... + 195282.

It is an arithmetic number, because the mean of its divisors is an integer number (147846714).

Almost surely, 2^1151234243 is an apocalyptic number.

1151234243 is a deficient number, since it is larger than the sum of its proper divisors (31539469).

1151234243 is an equidigital number, since it uses as much as digits as its factorization.

1151234243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221.

The product of its digits is 2880, while the sum is 26.

The square root of 1151234243 is about 33929.8429557226. The cubic root of 1151234243 is about 1048.0642317696.

Adding to 1151234243 its reverse (3424321511), we get a palindrome (4575555754).

The spelling of 1151234243 in words is "one billion, one hundred fifty-one million, two hundred thirty-four thousand, two hundred forty-three".