1601241 has 4 divisors (see below), whose sum is σ = 2134992. Its totient is φ = 1067492.

The previous prime is 1601239. The next prime is 1601261. The reversal of 1601241 is 1421061.

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.

It is a cyclic number.

It is not a de Polignac number, because 1601241 - 2¹ = 1601239 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1601241.

It is not an unprimeable number, because it can be changed into a prime (1601231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266871 + ... + 266876.

It is an arithmetic number, because the mean of its divisors is an integer number (533748).

2^1601241 is an apocalyptic number.

It is an amenable number.

1601241 is a deficient number, since it is larger than the sum of its proper divisors (533751).

1601241 is an equidigital number, since it uses as much as digits as its factorization.

1601241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533750.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1601241 is about 1265.4015173059. The cubic root of 1601241 is about 116.9909409306.

The spelling of 1601241 in words is "one million, six hundred one thousand, two hundred forty-one".