1123164507 has 4 divisors (see below), whose sum is σ = 1497552680. Its totient is φ = 748776336.

The previous prime is 1123164481. The next prime is 1123164527. The reversal of 1123164507 is 7054613211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7054613211 = 3 ⋅2351537737.

It is not a de Polignac number, because 1123164507 - 2¹¹ = 1123162459 is a prime.

It is a super-2 number, since 2×1123164507² = 2522997019569106098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123164527) 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, 187194082 + ... + 187194087.

It is an arithmetic number, because the mean of its divisors is an integer number (374388170).

Almost surely, 2^1123164507 is an apocalyptic number.

1123164507 is a deficient number, since it is larger than the sum of its proper divisors (374388173).

1123164507 is an equidigital number, since it uses as much as digits as its factorization.

1123164507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374388172.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1123164507 is about 33513.6465786700. The cubic root of 1123164507 is about 1039.4759770685.

Adding to 1123164507 its reverse (7054613211), we get a palindrome (8177777718).

The spelling of 1123164507 in words is "one billion, one hundred twenty-three million, one hundred sixty-four thousand, five hundred seven".