105198424 has 8 divisors (see below), whose sum is σ = 197247060. Its totient is φ = 52599208.

The previous prime is 105198419. The next prime is 105198451. The reversal of 105198424 is 424891501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105198424² = 22133416824167552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105198424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6574894 + ... + 6574909.

Almost surely, 2^105198424 is an apocalyptic number.

It is an amenable number.

105198424 is a deficient number, since it is larger than the sum of its proper divisors (92048636).

105198424 is a wasteful number, since it uses less digits than its factorization.

105198424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149809 (or 13149805 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 105198424 is about 10256.6282958875. The cubic root of 105198424 is about 472.0663868128.

The spelling of 105198424 in words is "one hundred five million, one hundred ninety-eight thousand, four hundred twenty-four".