1481905 has 12 divisors (see below), whose sum is σ = 1879092. Its totient is φ = 1121760.

The previous prime is 1481899. The next prime is 1481911. The reversal of 1481905 is 5091841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1481899) and next prime (1481911).

It can be written as a sum of positive squares in 2 ways, for example, as 467856 + 1014049 = 684^2 + 1007^2 .

It is not a de Polignac number, because 1481905 - 2³ = 1481897 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 1395 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (156591).

2^1481905 is an apocalyptic number.

It is an amenable number.

1481905 is a deficient number, since it is larger than the sum of its proper divisors (397187).

1481905 is an equidigital number, since it uses as much as digits as its factorization.

1481905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1481905 is about 1217.3352044527. The cubic root of 1481905 is about 114.0092585073.

The spelling of 1481905 in words is "one million, four hundred eighty-one thousand, nine hundred five".