1521361141 has 8 divisors (see below), whose sum is σ = 1656655200. Its totient is φ = 1391589360.

The previous prime is 1521361139. The next prime is 1521361181. The reversal of 1521361141 is 1411631251.

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

It is not a de Polignac number, because 1521361141 - 2¹ = 1521361139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521361181) 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, 1379995 + ... + 1381096.

It is an arithmetic number, because the mean of its divisors is an integer number (207081900).

Almost surely, 2^1521361141 is an apocalyptic number.

It is an amenable number.

1521361141 is a deficient number, since it is larger than the sum of its proper divisors (135294059).

1521361141 is a wasteful number, since it uses less digits than its factorization.

1521361141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761139.

The product of its digits is 720, while the sum is 25.

The square root of 1521361141 is about 39004.6297380196. The cubic root of 1521361141 is about 1150.1225177597.

Adding to 1521361141 its reverse (1411631251), we get a palindrome (2932992392).

The spelling of 1521361141 in words is "one billion, five hundred twenty-one million, three hundred sixty-one thousand, one hundred forty-one".