2251123 has 8 divisors (see below), whose sum is σ = 2724192. Its totient is φ = 1815936.

The previous prime is 2251121. The next prime is 2251129. The reversal of 2251123 is 3211522.

2251123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251123 - 2¹ = 2251121 is a prime.

It is a super-2 number, since 2×2251123² = 10135109522258, 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 = 2251097 and 2251106.

It is not an unprimeable number, because it can be changed into a prime (2251121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9340 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (340524).

2^2251123 is an apocalyptic number.

2251123 is a deficient number, since it is larger than the sum of its proper divisors (473069).

2251123 is a wasteful number, since it uses less digits than its factorization.

2251123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18941.

The product of its digits is 120, while the sum is 16.

The square root of 2251123 is about 1500.3742866365. The cubic root of 2251123 is about 131.0588667703.

Adding to 2251123 its reverse (3211522), we get a palindrome (5462645).

The spelling of 2251123 in words is "two million, two hundred fifty-one thousand, one hundred twenty-three".