1123741111 has 4 divisors (see below), whose sum is σ = 1182885400. Its totient is φ = 1064596824.

The previous prime is 1123741093. The next prime is 1123741121. The reversal of 1123741111 is 1111473211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1111473211 = 59 ⋅18838529.

It is a cyclic number.

It is not a de Polignac number, because 1123741111 - 2¹¹ = 1123739063 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123741121) 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, 29572116 + ... + 29572153.

It is an arithmetic number, because the mean of its divisors is an integer number (295721350).

Almost surely, 2^1123741111 is an apocalyptic number.

1123741111 is a deficient number, since it is larger than the sum of its proper divisors (59144289).

1123741111 is an equidigital number, since it uses as much as digits as its factorization.

1123741111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59144288.

The product of its digits is 168, while the sum is 22.

The square root of 1123741111 is about 33522.2480003952. The cubic root of 1123741111 is about 1039.6538267855.

The spelling of 1123741111 in words is "one billion, one hundred twenty-three million, seven hundred forty-one thousand, one hundred eleven".