1612123 has 2 divisors, whose sum is σ = 1612124. Its totient is φ = 1612122.

The previous prime is 1612111. The next prime is 1612133. The reversal of 1612123 is 3212161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1612123 is a prime.

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 = 1612097 and 1612106.

It is not a weakly prime, because it can be changed into another prime (1612133) 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, 806061 + 806062.

It is an arithmetic number, because the mean of its divisors is an integer number (806062).

2^1612123 is an apocalyptic number.

1612123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612123 is an equidigital number, since it uses as much as digits as its factorization.

1612123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 16.

The square root of 1612123 is about 1269.6940576375. The cubic root of 1612123 is about 117.2553654784.

Adding to 1612123 its reverse (3212161), we get a palindrome (4824284).

It can be divided in two parts, 161212 and 3, that multiplied together give a triangular number (483636 = T₉₈₃).

The spelling of 1612123 in words is "one million, six hundred twelve thousand, one hundred twenty-three".