7126123 has 2 divisors, whose sum is σ = 7126124. Its totient is φ = 7126122.

The previous prime is 7126109. The next prime is 7126127. The reversal of 7126123 is 3216217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7126123 - 2⁹ = 7125611 is a prime.

It is a super-2 number, since 2×7126123² = 101563258022258, which contains 22 as substring.

7126123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7126094 and 7126103.

It is not a weakly prime, because it can be changed into another prime (7126127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3563061 + 3563062.

It is an arithmetic number, because the mean of its divisors is an integer number (3563062).

Almost surely, 2^7126123 is an apocalyptic number.

7126123 is a deficient number, since it is larger than the sum of its proper divisors (1).

7126123 is an equidigital number, since it uses as much as digits as its factorization.

7126123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 7126123 is about 2669.4799118930. The cubic root of 7126123 is about 192.4351656626.

The spelling of 7126123 in words is "seven million, one hundred twenty-six thousand, one hundred twenty-three".