105213054 has 16 divisors (see below), whose sum is σ = 213390720. Its totient is φ = 34576920.

The previous prime is 105213037. The next prime is 105213061. The reversal of 105213054 is 450312501.

It is a super-2 number, since 2×105213054² = 22139573464013832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105213054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123064 + ... + 123915.

It is an arithmetic number, because the mean of its divisors is an integer number (13336920).

Almost surely, 2^105213054 is an apocalyptic number.

105213054 is an abundant number, since it is smaller than the sum of its proper divisors (108177666).

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

105213054 is a wasteful number, since it uses less digits than its factorization.

105213054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247055.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105213054 is about 10257.3414684313. The cubic root of 105213054 is about 472.0882693051.

Adding to 105213054 its reverse (450312501), we get a palindrome (555525555).

The spelling of 105213054 in words is "one hundred five million, two hundred thirteen thousand, fifty-four".