1341001521 has 32 divisors (see below), whose sum is σ = 2003339520. Its totient is φ = 886540032.

The previous prime is 1341001511. The next prime is 1341001553. The reversal of 1341001521 is 1251001431.

1341001521 is a `hidden beast` number, since 134 + 10 + 0 + 1 + 521 = 666.

It is not a de Polignac number, because 1341001521 - 2⁹ = 1341001009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1341001494 and 1341001503.

It is not an unprimeable number, because it can be changed into a prime (1341001511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2665756 + ... + 2666258.

It is an arithmetic number, because the mean of its divisors is an integer number (62604360).

Almost surely, 2^1341001521 is an apocalyptic number.

It is an amenable number.

1341001521 is a deficient number, since it is larger than the sum of its proper divisors (662337999).

1341001521 is a wasteful number, since it uses less digits than its factorization.

1341001521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1341001521 is about 36619.6876147244. The cubic root of 1341001521 is about 1102.7483673866.

Adding to 1341001521 its reverse (1251001431), we get a palindrome (2592002952).

The spelling of 1341001521 in words is "one billion, three hundred forty-one million, one thousand, five hundred twenty-one".