105220130 has 8 divisors (see below), whose sum is σ = 189396252. Its totient is φ = 42088048.

The previous prime is 105220127. The next prime is 105220133. The reversal of 105220130 is 31022501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105220127) and next prime (105220133).

It can be written as a sum of positive squares in 2 ways, for example, as 96687889 + 8532241 = 9833^2 + 2921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105220130² = 22142551514433800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105220133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260997 + ... + 5261016.

Almost surely, 2^105220130 is an apocalyptic number.

105220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105220130 is a deficient number, since it is larger than the sum of its proper divisors (84176122).

105220130 is a wasteful number, since it uses less digits than its factorization.

105220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522020.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 105220130 is about 10257.6863863154. The cubic root of 105220130 is about 472.0988523446.

Adding to 105220130 its reverse (31022501), we get a palindrome (136242631).

The spelling of 105220130 in words is "one hundred five million, two hundred twenty thousand, one hundred thirty".