1505106 has 12 divisors (see below), whose sum is σ = 3261102. Its totient is φ = 501696.

The previous prime is 1505099. The next prime is 1505107. The reversal of 1505106 is 6015051.

1505106 is a `hidden beast` number, since 150 + 510 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 370881 = 1065^2 + 609^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 83617 = 1505106 / (1 + 5 + 0 + 5 + 1 + 0 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1505107) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 41791 + ... + 41826.

2^1505106 is an apocalyptic number.

1505106 is an abundant number, since it is smaller than the sum of its proper divisors (1755996).

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

1505106 is a wasteful number, since it uses less digits than its factorization.

1505106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83625 (or 83622 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1505106 is about 1226.8276162526. The cubic root of 1505106 is about 114.6011640645.

The spelling of 1505106 in words is "one million, five hundred five thousand, one hundred six".