1505055 has 16 divisors (see below), whose sum is σ = 2423520. Its totient is φ = 797568.

The previous prime is 1505033. The next prime is 1505083. The reversal of 1505055 is 5505051.

It is not a de Polignac number, because 1505055 - 2⁶ = 1504991 is a prime.

1505055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3849 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (151470).

2^1505055 is an apocalyptic number.

1505055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1505055 is a deficient number, since it is larger than the sum of its proper divisors (918465).

1505055 is a wasteful number, since it uses less digits than its factorization.

1505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 1505055 is about 1226.8068307602. The cubic root of 1505055 is about 114.5998696428.

The spelling of 1505055 in words is "one million, five hundred five thousand, fifty-five".