412111521 has 24 divisors (see below), whose sum is σ = 600968160. Its totient is φ = 272126400.

The previous prime is 412111457. The next prime is 412111523. The reversal of 412111521 is 125111214.

It is not a de Polignac number, because 412111521 - 2⁶ = 412111457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 412111494 and 412111503.

It is not an unprimeable number, because it can be changed into a prime (412111523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790741 + ... + 791261.

It is an arithmetic number, because the mean of its divisors is an integer number (25040340).

Almost surely, 2^412111521 is an apocalyptic number.

It is an amenable number.

412111521 is a deficient number, since it is larger than the sum of its proper divisors (188856639).

412111521 is a wasteful number, since it uses less digits than its factorization.

412111521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1194 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 412111521 is about 20300.5300669712. The cubic root of 412111521 is about 744.1690183554.

Adding to 412111521 its reverse (125111214), we get a palindrome (537222735).

The spelling of 412111521 in words is "four hundred twelve million, one hundred eleven thousand, five hundred twenty-one".