1521066 has 16 divisors (see below), whose sum is σ = 3081600. Its totient is φ = 500448.

The previous prime is 1521049. The next prime is 1521067. The reversal of 1521066 is 6601251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1521067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131 + ... + 2078.

It is an arithmetic number, because the mean of its divisors is an integer number (192600).

2^1521066 is an apocalyptic number.

1521066 is an abundant number, since it is smaller than the sum of its proper divisors (1560534).

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

1521066 is a wasteful number, since it uses less digits than its factorization.

1521066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1521066 is about 1233.3150449095. The cubic root of 1521066 is about 115.0048139132.

The spelling of 1521066 in words is "one million, five hundred twenty-one thousand, sixty-six".