1521129 has 8 divisors (see below), whose sum is σ = 2034592. Its totient is φ = 1010880.

The previous prime is 1521119. The next prime is 1521133. The reversal of 1521129 is 9211251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1521129 - 2¹⁹ = 996841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1521119) 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 7 ways as a sum of consecutive naturals, for example, 714 + ... + 1884.

It is an arithmetic number, because the mean of its divisors is an integer number (254324).

2^1521129 is an apocalyptic number.

It is an amenable number.

1521129 is a deficient number, since it is larger than the sum of its proper divisors (513463).

1521129 is a wasteful number, since it uses less digits than its factorization.

1521129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607.

The product of its digits is 180, while the sum is 21.

The square root of 1521129 is about 1233.3405855643. The cubic root of 1521129 is about 115.0064016600.

The spelling of 1521129 in words is "one million, five hundred twenty-one thousand, one hundred twenty-nine".