1520241 has 8 divisors (see below), whose sum is σ = 2034720. Its totient is φ = 1009632.

The previous prime is 1520227. The next prime is 1520251. The reversal of 1520241 is 1420251.

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

It is not a de Polignac number, because 1520241 - 2⁹ = 1519729 is a prime.

It is a super-2 number, since 2×1520241² = 4622265396162, which contains 22 as substring.

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 1520241.

It is not an unprimeable number, because it can be changed into a prime (1520221) 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 7 ways as a sum of consecutive naturals, for example, 130 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (254340).

2^1520241 is an apocalyptic number.

It is an amenable number.

1520241 is a deficient number, since it is larger than the sum of its proper divisors (514479).

1520241 is a wasteful number, since it uses less digits than its factorization.

1520241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1520241 is about 1232.9805351262. The cubic root of 1520241 is about 114.9840179428.

Adding to 1520241 its reverse (1420251), we get a palindrome (2940492).

The spelling of 1520241 in words is "one million, five hundred twenty thousand, two hundred forty-one".