1151004243 has 16 divisors (see below), whose sum is σ = 1567714176. Its totient is φ = 750988800.

The previous prime is 1151004223. The next prime is 1151004293. The reversal of 1151004243 is 3424001511.

It is not a de Polignac number, because 1151004243 - 2⁹ = 1151003731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151004223) 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, 5043 + ... + 48243.

It is an arithmetic number, because the mean of its divisors is an integer number (97982136).

Almost surely, 2^1151004243 is an apocalyptic number.

1151004243 is a deficient number, since it is larger than the sum of its proper divisors (416709933).

1151004243 is a wasteful number, since it uses less digits than its factorization.

1151004243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43394.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1151004243 is about 33926.4534397570. The cubic root of 1151004243 is about 1047.9944310812.

Adding to 1151004243 its reverse (3424001511), we get a palindrome (4575005754).

The spelling of 1151004243 in words is "one billion, one hundred fifty-one million, four thousand, two hundred forty-three".