1123500422 has 16 divisors (see below), whose sum is σ = 1838970000. Its totient is φ = 510539040.

The previous prime is 1123500401. The next prime is 1123500439. The reversal of 1123500422 is 2240053211.

It is a junction number, because it is equal to n+sod(n) for n = 1123500394 and 1123500403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149204 + ... + 156552.

It is an arithmetic number, because the mean of its divisors is an integer number (114935625).

Almost surely, 2^1123500422 is an apocalyptic number.

1123500422 is a deficient number, since it is larger than the sum of its proper divisors (715469578).

1123500422 is a wasteful number, since it uses less digits than its factorization.

1123500422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14311.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1123500422 is about 33518.6578191908. The cubic root of 1123500422 is about 1039.5795952432.

Adding to 1123500422 its reverse (2240053211), we get a palindrome (3363553633).

The spelling of 1123500422 in words is "one billion, one hundred twenty-three million, five hundred thousand, four hundred twenty-two".