1601265 has 8 divisors (see below), whose sum is σ = 2562048. Its totient is φ = 854000.

The previous prime is 1601261. The next prime is 1601267. The reversal of 1601265 is 5621061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1601265 - 2² = 1601261 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1601261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53361 + ... + 53390.

It is an arithmetic number, because the mean of its divisors is an integer number (320256).

2^1601265 is an apocalyptic number.

1601265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601265 is a deficient number, since it is larger than the sum of its proper divisors (960783).

1601265 is a wasteful number, since it uses less digits than its factorization.

1601265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106759.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1601265 is about 1265.4110004263. The cubic root of 1601265 is about 116.9915254290.

The spelling of 1601265 in words is "one million, six hundred one thousand, two hundred sixty-five".