1521102 has 32 divisors (see below), whose sum is σ = 3496320. Its totient is φ = 436320.

The previous prime is 1521089. The next prime is 1521103. The reversal of 1521102 is 2011251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521103) 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 15 ways as a sum of consecutive naturals, for example, 648 + ... + 1860.

It is an arithmetic number, because the mean of its divisors is an integer number (109260).

2^1521102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1521102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748160).

1521102 is an abundant number, since it is smaller than the sum of its proper divisors (1975218).

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

1521102 is a wasteful number, since it uses less digits than its factorization.

1521102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1521102 is about 1233.3296396341. The cubic root of 1521102 is about 115.0057212025.

Adding to 1521102 its reverse (2011251), we get a palindrome (3532353).

The spelling of 1521102 in words is "one million, five hundred twenty-one thousand, one hundred two".