105380775 has 18 divisors (see below), whose sum is σ = 188749080. Its totient is φ = 56202960.

The previous prime is 105380767. The next prime is 105380791. The reversal of 105380775 is 577083501.

It is not a de Polignac number, because 105380775 - 2³ = 105380767 is a prime.

It is a super-2 number, since 2×105380775² = 22210215479201250, 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 17 ways as a sum of consecutive naturals, for example, 233955 + ... + 234404.

It is an arithmetic number, because the mean of its divisors is an integer number (10486060).

Almost surely, 2^105380775 is an apocalyptic number.

105380775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105380775 is a deficient number, since it is larger than the sum of its proper divisors (83368305).

105380775 is a wasteful number, since it uses less digits than its factorization.

105380775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468375 (or 468367 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 105380775 is about 10265.5138692615. The cubic root of 105380775 is about 472.3389893994.

The spelling of 105380775 in words is "one hundred five million, three hundred eighty thousand, seven hundred seventy-five".