1601123 has 2 divisors, whose sum is σ = 1601124. Its totient is φ = 1601122.

The previous prime is 1601113. The next prime is 1601137. The reversal of 1601123 is 3211061.

It is an a-pointer prime, because the next prime (1601137) can be obtained adding 1601123 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1601123 - 2⁴ = 1601107 is a prime.

It is a super-2 number, since 2×1601123² = 5127189722258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1601098 and 1601107.

It is not a weakly prime, because it can be changed into another prime (1601113) 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, 800561 + 800562.

It is an arithmetic number, because the mean of its divisors is an integer number (800562).

2^1601123 is an apocalyptic number.

1601123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601123 is an equidigital number, since it uses as much as digits as its factorization.

1601123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1601123 is about 1265.3548909298. The cubic root of 1601123 is about 116.9880670617.

Adding to 1601123 its reverse (3211061), we get a palindrome (4812184).

The spelling of 1601123 in words is "one million, six hundred one thousand, one hundred twenty-three".