1601069 has 4 divisors (see below), whose sum is σ = 1604544. Its totient is φ = 1597596.

The previous prime is 1601059. The next prime is 1601071. The reversal of 1601069 is 9601061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9601061 = 19 ⋅505319.

It is a cyclic number.

It is not a de Polignac number, because 1601069 - 2⁸ = 1600813 is a prime.

It is a super-2 number, since 2×1601069² = 5126843885522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601059) 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 in 3 ways as a sum of consecutive naturals, for example, 917 + ... + 2010.

It is an arithmetic number, because the mean of its divisors is an integer number (401136).

2^1601069 is an apocalyptic number.

It is an amenable number.

1601069 is a deficient number, since it is larger than the sum of its proper divisors (3475).

1601069 is an equidigital number, since it uses as much as digits as its factorization.

1601069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1601069 is about 1265.3335528626. Note that the first 3 decimals coincide. The cubic root of 1601069 is about 116.9867518542.

The spelling of 1601069 in words is "one million, six hundred one thousand, sixty-nine".