1456123 has 2 divisors, whose sum is σ = 1456124. Its totient is φ = 1456122.

The previous prime is 1456121. The next prime is 1456127. The reversal of 1456123 is 3216541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1456123 - 2¹ = 1456121 is a prime.

It is a super-2 number, since 2×1456123² = 4240588382258, which contains 22 as substring.

Together with 1456121, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1456094 and 1456103.

It is not a weakly prime, because it can be changed into another prime (1456121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728061 + 728062.

It is an arithmetic number, because the mean of its divisors is an integer number (728062).

2^1456123 is an apocalyptic number.

1456123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456123 is an equidigital number, since it uses as much as digits as its factorization.

1456123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 1456123 is about 1206.6992168722. The cubic root of 1456123 is about 113.3442136805.

The spelling of 1456123 in words is "one million, four hundred fifty-six thousand, one hundred twenty-three".