7489123 has 2 divisors, whose sum is σ = 7489124. Its totient is φ = 7489122.

The previous prime is 7489117. The next prime is 7489127. The reversal of 7489123 is 3219847.

It is a strong prime.

It is an emirp because it is prime and its reverse (3219847) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7489123 is a prime.

It is not a weakly prime, because it can be changed into another prime (7489127) 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 as a sum of consecutive naturals, namely, 3744561 + 3744562.

It is an arithmetic number, because the mean of its divisors is an integer number (3744562).

Almost surely, 2^7489123 is an apocalyptic number.

7489123 is a deficient number, since it is larger than the sum of its proper divisors (1).

7489123 is an equidigital number, since it uses as much as digits as its factorization.

7489123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 7489123 is about 2736.6262075775. The cubic root of 7489123 is about 195.6487095762.

The spelling of 7489123 in words is "seven million, four hundred eighty-nine thousand, one hundred twenty-three".