105520412 has 24 divisors (see below), whose sum is σ = 193536000. Its totient is φ = 50244656.

The previous prime is 105520399. The next prime is 105520421. The reversal of 105520412 is 214025501.

It is a super-2 number, since 2×105520412² = 22269114697299488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19589 + ... + 24387.

It is an arithmetic number, because the mean of its divisors is an integer number (8064000).

Almost surely, 2^105520412 is an apocalyptic number.

It is an amenable number.

105520412 is a deficient number, since it is larger than the sum of its proper divisors (88015588).

105520412 is a wasteful number, since it uses less digits than its factorization.

105520412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065 (or 5063 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 105520412 is about 10272.3128846429. The cubic root of 105520412 is about 472.5475248708.

Adding to 105520412 its reverse (214025501), we get a palindrome (319545913).

The spelling of 105520412 in words is "one hundred five million, five hundred twenty thousand, four hundred twelve".