1123151035 has 4 divisors (see below), whose sum is σ = 1347781248. Its totient is φ = 898520824.

The previous prime is 1123151033. The next prime is 1123151039. The reversal of 1123151035 is 5301513211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123151035 - 2¹ = 1123151033 is a prime.

It is a super-2 number, since 2×1123151035² = 2522936494843142450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123150997 and 1123151015.

It is not an unprimeable number, because it can be changed into a prime (1123151033) 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, 112315099 + ... + 112315108.

It is an arithmetic number, because the mean of its divisors is an integer number (336945312).

Almost surely, 2^1123151035 is an apocalyptic number.

1123151035 is a deficient number, since it is larger than the sum of its proper divisors (224630213).

1123151035 is an equidigital number, since it uses as much as digits as its factorization.

1123151035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224630212.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1123151035 is about 33513.4455853169. The cubic root of 1123151035 is about 1039.4718209909.

Adding to 1123151035 its reverse (5301513211), we get a palindrome (6424664246).

The spelling of 1123151035 in words is "one billion, one hundred twenty-three million, one hundred fifty-one thousand, thirty-five".