2551226123 has 4 divisors (see below), whose sum is σ = 2551356360. Its totient is φ = 2551095888.

The previous prime is 2551226113. The next prime is 2551226141. The reversal of 2551226123 is 3216221552.

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 2551226123 - 2⁸ = 2551225867 is a prime.

It is a super-2 number, since 2×2551226123² = 13017509461355222258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551226113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29090 + ... + 77127.

It is an arithmetic number, because the mean of its divisors is an integer number (637839090).

Almost surely, 2^2551226123 is an apocalyptic number.

2551226123 is a deficient number, since it is larger than the sum of its proper divisors (130237).

2551226123 is a wasteful number, since it uses less digits than its factorization.

2551226123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130236.

The product of its digits is 7200, while the sum is 29.

The square root of 2551226123 is about 50509.6636595414. The cubic root of 2551226123 is about 1366.4161436559.

Adding to 2551226123 its reverse (3216221552), we get a palindrome (5767447675).

The spelling of 2551226123 in words is "two billion, five hundred fifty-one million, two hundred twenty-six thousand, one hundred twenty-three".