105280630 has 32 divisors (see below), whose sum is σ = 233239104. Its totient is φ = 33319296.

The previous prime is 105280621. The next prime is 105280667. The reversal of 105280630 is 36082501.

It is a happy number.

It is a super-2 number, since 2×105280630² = 22168022106393800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105280595 and 105280604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56937 + ... + 58756.

It is an arithmetic number, because the mean of its divisors is an integer number (7288722).

Almost surely, 2^105280630 is an apocalyptic number.

105280630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105280630 is an abundant number, since it is smaller than the sum of its proper divisors (127958474).

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

105280630 is a wasteful number, since it uses less digits than its factorization.

105280630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115720.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 105280630 is about 10260.6349706049. The cubic root of 105280630 is about 472.1893182661.

The spelling of 105280630 in words is "one hundred five million, two hundred eighty thousand, six hundred thirty".