1521141 has 16 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 970880.

The previous prime is 1521133. The next prime is 1521193. The reversal of 1521141 is 1411251.

It is a happy number.

It is not a de Polignac number, because 1521141 - 2³ = 1521133 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1521141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10135 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

2^1521141 is an apocalyptic number.

It is an amenable number.

1521141 is a deficient number, since it is larger than the sum of its proper divisors (595659).

1521141 is a wasteful number, since it uses less digits than its factorization.

1521141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its digits is 40, while the sum is 15.

The square root of 1521141 is about 1233.3454503909. The cubic root of 1521141 is about 115.0067040830.

Adding to 1521141 its reverse (1411251), we get a palindrome (2932392).

The spelling of 1521141 in words is "one million, five hundred twenty-one thousand, one hundred forty-one".