1121527243 has 8 divisors (see below), whose sum is σ = 1152151056. Its totient is φ = 1091059200.

The previous prime is 1121527189. The next prime is 1121527259. The reversal of 1121527243 is 3427251211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121527243 - 2²⁵ = 1087972811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121527343) 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, 24273 + ... + 53218.

It is an arithmetic number, because the mean of its divisors is an integer number (144018882).

Almost surely, 2^1121527243 is an apocalyptic number.

1121527243 is a deficient number, since it is larger than the sum of its proper divisors (30623813).

1121527243 is an equidigital number, since it uses as much as digits as its factorization.

1121527243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77885.

The product of its digits is 3360, while the sum is 28.

The square root of 1121527243 is about 33489.2108446885. The cubic root of 1121527243 is about 1038.9706417054.

Adding to 1121527243 its reverse (3427251211), we get a palindrome (4548778454).

The spelling of 1121527243 in words is "one billion, one hundred twenty-one million, five hundred twenty-seven thousand, two hundred forty-three".