105238956 has 12 divisors (see below), whose sum is σ = 245557592. Its totient is φ = 35079648.

The previous prime is 105238943. The next prime is 105238957. The reversal of 105238956 is 659832501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105238956² = 22150475719939872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105238957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4384945 + ... + 4384968.

Almost surely, 2^105238956 is an apocalyptic number.

It is an amenable number.

105238956 is an abundant number, since it is smaller than the sum of its proper divisors (140318636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105238956 is a wasteful number, since it uses less digits than its factorization.

105238956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769920 (or 8769918 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 105238956 is about 10258.6039985955. The cubic root of 105238956 is about 472.1270066625.

The spelling of 105238956 in words is "one hundred five million, two hundred thirty-eight thousand, nine hundred fifty-six".