12551123 has 12 divisors (see below), whose sum is σ = 14186160. Its totient is φ = 11078496.

The previous prime is 12551111. The next prime is 12551131. The reversal of 12551123 is 32115521.

It is a happy number.

It is not a de Polignac number, because 12551123 - 2⁴ = 12551107 is a prime.

It is a super-2 number, since 2×12551123² = 315061377122258, 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 = 12551095 and 12551104.

It is not an unprimeable number, because it can be changed into a prime (12551923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2273 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (1182180).

Almost surely, 2^12551123 is an apocalyptic number.

12551123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12551123 is a deficient number, since it is larger than the sum of its proper divisors (1635037).

12551123 is a wasteful number, since it uses less digits than its factorization.

12551123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278 (or 3265 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 12551123 is about 3542.7564127385. The cubic root of 12551123 is about 232.3954005921.

Adding to 12551123 its reverse (32115521), we get a palindrome (44666644).

The spelling of 12551123 in words is "twelve million, five hundred fifty-one thousand, one hundred twenty-three".