105407755 has 4 divisors (see below), whose sum is σ = 126489312. Its totient is φ = 84326200.

The previous prime is 105407747. The next prime is 105407789. The reversal of 105407755 is 557704501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557704501 = 2803 ⋅198967.

It is not a de Polignac number, because 105407755 - 2³ = 105407747 is a prime.

It is a super-2 number, since 2×105407755² = 22221589628280050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105407755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10540771 + ... + 10540780.

It is an arithmetic number, because the mean of its divisors is an integer number (31622328).

Almost surely, 2^105407755 is an apocalyptic number.

105407755 is a deficient number, since it is larger than the sum of its proper divisors (21081557).

105407755 is an equidigital number, since it uses as much as digits as its factorization.

105407755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21081556.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 105407755 is about 10266.8278937557. The cubic root of 105407755 is about 472.3792959877.

The spelling of 105407755 in words is "one hundred five million, four hundred seven thousand, seven hundred fifty-five".