105012054 has 24 divisors (see below), whose sum is σ = 260030160. Its totient is φ = 30003408.

The previous prime is 105012041. The next prime is 105012073. The reversal of 105012054 is 450210501.

It is a super-2 number, since 2×105012054² = 22055062970597832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 416589 + ... + 416840.

It is an arithmetic number, because the mean of its divisors is an integer number (10834590).

Almost surely, 2^105012054 is an apocalyptic number.

105012054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105012054 is an abundant number, since it is smaller than the sum of its proper divisors (155018106).

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

105012054 is a wasteful number, since it uses less digits than its factorization.

105012054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833444 (or 833441 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 105012054 is about 10247.5389240539. The cubic root of 105012054 is about 471.7874503832.

Adding to 105012054 its reverse (450210501), we get a palindrome (555222555).

The spelling of 105012054 in words is "one hundred five million, twelve thousand, fifty-four".