1123511241 has 16 divisors (see below), whose sum is σ = 1514110976. Its totient is φ = 741002256.

The previous prime is 1123511183. The next prime is 1123511273. The reversal of 1123511241 is 1421153211.

It is not a de Polignac number, because 1123511241 - 2²¹ = 1121414089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123511281) 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, 103896 + ... + 114198.

It is an arithmetic number, because the mean of its divisors is an integer number (94631936).

Almost surely, 2^1123511241 is an apocalyptic number.

It is an amenable number.

1123511241 is a deficient number, since it is larger than the sum of its proper divisors (390599735).

1123511241 is a wasteful number, since it uses less digits than its factorization.

1123511241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10692.

The product of its digits is 240, while the sum is 21.

The square root of 1123511241 is about 33518.8192065293. The cubic root of 1123511241 is about 1039.5829321876.

Adding to 1123511241 its reverse (1421153211), we get a palindrome (2544664452).

The spelling of 1123511241 in words is "one billion, one hundred twenty-three million, five hundred eleven thousand, two hundred forty-one".