1520206 has 4 divisors (see below), whose sum is σ = 2280312. Its totient is φ = 760102.

The previous prime is 1520203. The next prime is 1520213. The reversal of 1520206 is 6020251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1520206² = 4622052564872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1520206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520203) 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, 380050 + ... + 380053.

It is an arithmetic number, because the mean of its divisors is an integer number (570078).

2^1520206 is an apocalyptic number.

1520206 is a deficient number, since it is larger than the sum of its proper divisors (760106).

1520206 is an equidigital number, since it uses as much as digits as its factorization.

1520206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760105.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1520206 is about 1232.9663417953. The cubic root of 1520206 is about 114.9831355232.

Adding to 1520206 its reverse (6020251), we get a palindrome (7540457).

The spelling of 1520206 in words is "one million, five hundred twenty thousand, two hundred six".