412521111 has 24 divisors (see below), whose sum is σ = 604319664. Its totient is φ = 271140480.

The previous prime is 412521107. The next prime is 412521113. The reversal of 412521111 is 111125214.

It is not a de Polignac number, because 412521111 - 2² = 412521107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412521113) 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, 192516 + ... + 194646.

It is an arithmetic number, because the mean of its divisors is an integer number (25179986).

Almost surely, 2^412521111 is an apocalyptic number.

412521111 is a deficient number, since it is larger than the sum of its proper divisors (191798553).

412521111 is a wasteful number, since it uses less digits than its factorization.

412521111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431 (or 2428 counting only the distinct ones).

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

The square root of 412521111 is about 20310.6157218337. The cubic root of 412521111 is about 744.4154753205.

Adding to 412521111 its reverse (111125214), we get a palindrome (523646325).

The spelling of 412521111 in words is "four hundred twelve million, five hundred twenty-one thousand, one hundred eleven".