1505420 has 24 divisors (see below), whose sum is σ = 3613344. Its totient is φ = 516096.

The previous prime is 1505417. The next prime is 1505431. The reversal of 1505420 is 245051.

It is an unprimeable number.

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, 5237 + ... + 5516.

It is an arithmetic number, because the mean of its divisors is an integer number (150556).

2^1505420 is an apocalyptic number.

1505420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1505420 is an abundant number, since it is smaller than the sum of its proper divisors (2107924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1505420 is a wasteful number, since it uses less digits than its factorization.

1505420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10769 (or 10767 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1505420 is about 1226.9555819181. The cubic root of 1505420 is about 114.6091329967.

The spelling of 1505420 in words is "one million, five hundred five thousand, four hundred twenty".