1520055 has 24 divisors (see below), whose sum is σ = 2791152. Its totient is φ = 762624.

The previous prime is 1520011. The next prime is 1520069. The reversal of 1520055 is 5500251.

It is not a de Polignac number, because 1520055 - 2¹¹ = 1518007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (116298).

2^1520055 is an apocalyptic number.

1520055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1520055 is a deficient number, since it is larger than the sum of its proper divisors (1271097).

1520055 is a wasteful number, since it uses less digits than its factorization.

1520055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 1520055 is about 1232.9051058374. The cubic root of 1520055 is about 114.9793283575.

The spelling of 1520055 in words is "one million, five hundred twenty thousand, fifty-five".