2489123 has 16 divisors (see below), whose sum is σ = 3245760. Its totient is φ = 1852416.

The previous prime is 2489119. The next prime is 2489143. The reversal of 2489123 is 3219842.

It is a cyclic number.

It is not a de Polignac number, because 2489123 - 2² = 2489119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2489143) 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 15 ways as a sum of consecutive naturals, for example, 743 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

2^2489123 is an apocalyptic number.

2489123 is a deficient number, since it is larger than the sum of its proper divisors (756637).

2489123 is a wasteful number, since it uses less digits than its factorization.

2489123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its digits is 3456, while the sum is 29.

The square root of 2489123 is about 1577.6954712491. The cubic root of 2489123 is about 135.5237632102.

The spelling of 2489123 in words is "two million, four hundred eighty-nine thousand, one hundred twenty-three".