105212475 has 18 divisors (see below), whose sum is σ = 188447636. Its totient is φ = 56113200.

The previous prime is 105212383. The next prime is 105212479. The reversal of 105212475 is 574212501.

It is not a de Polignac number, because 105212475 - 2⁷ = 105212347 is a prime.

It is a super-2 number, since 2×105212475² = 22139329791251250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105212479) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 233581 + ... + 234030.

Almost surely, 2^105212475 is an apocalyptic number.

105212475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105212475 is a deficient number, since it is larger than the sum of its proper divisors (83235161).

105212475 is a wasteful number, since it uses less digits than its factorization.

105212475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467627 (or 467619 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 105212475 is about 10257.3132447050. The cubic root of 105212475 is about 472.0874033175.

Adding to 105212475 its reverse (574212501), we get a palindrome (679424976).

It can be divided in two parts, 10521 and 2475, that added together give a square (12996 = 114²).

The spelling of 105212475 in words is "one hundred five million, two hundred twelve thousand, four hundred seventy-five".