105265780 has 24 divisors (see below), whose sum is σ = 221282208. Its totient is φ = 42063648.

The previous prime is 105265747. The next prime is 105265793. The reversal of 105265780 is 87562501.

It is a super-2 number, since 2×105265780² = 22161768878016800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24127 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (9220092).

Almost surely, 2^105265780 is an apocalyptic number.

105265780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105265780 is an abundant number, since it is smaller than the sum of its proper divisors (116016428).

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

105265780 is a wasteful number, since it uses less digits than its factorization.

105265780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343 (or 5341 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 105265780 is about 10259.9113056595. The cubic root of 105265780 is about 472.1671162045.

The spelling of 105265780 in words is "one hundred five million, two hundred sixty-five thousand, seven hundred eighty".