1123707955 has 4 divisors (see below), whose sum is σ = 1348449552. Its totient is φ = 898966360.

The previous prime is 1123707947. The next prime is 1123707967. The reversal of 1123707955 is 5597073211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1123707955 - 2³ = 1123707947 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112370791 + ... + 112370800.

It is an arithmetic number, because the mean of its divisors is an integer number (337112388).

Almost surely, 2^1123707955 is an apocalyptic number.

1123707955 is a deficient number, since it is larger than the sum of its proper divisors (224741597).

1123707955 is an equidigital number, since it uses as much as digits as its factorization.

1123707955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224741596.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 1123707955 is about 33521.7534595075. The cubic root of 1123707955 is about 1039.6436016838.

The spelling of 1123707955 in words is "one billion, one hundred twenty-three million, seven hundred seven thousand, nine hundred fifty-five".