105042600 has 216 divisors, whose sum is σ = 385658910. Its totient is φ = 25470720.

The previous prime is 105042569. The next prime is 105042607. The reversal of 105042600 is 6240501.

It is a happy number.

105042600 is a `hidden beast` number, since 10 + 50 + 4 + 2 + 600 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 58339044 + 46703556 = 7638^2 + 6834^2 .

It is a super-2 number, since 2×105042600² = 22067895629520000, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (105042607) by changing a digit.

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 53 ways as a sum of consecutive naturals, for example, 1567767 + ... + 1567833.

Almost surely, 2^105042600 is an apocalyptic number.

105042600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105042600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192829455).

105042600 is an abundant number, since it is smaller than the sum of its proper divisors (280616310).

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

105042600 is a wasteful number, since it uses less digits than its factorization.

105042600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 105042600 is about 10249.0292223215. The cubic root of 105042600 is about 471.8331906000.

The spelling of 105042600 in words is "one hundred five million, forty-two thousand, six hundred".