105601220 has 24 divisors (see below), whose sum is σ = 222009984. Its totient is φ = 42193376.

The previous prime is 105601213. The next prime is 105601253. The reversal of 105601220 is 22106501.

It is a super-2 number, since 2×105601220² = 22303235330976800, which contains 22 as substring.

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, 19667 + ... + 24453.

It is an arithmetic number, because the mean of its divisors is an integer number (9250416).

Almost surely, 2^105601220 is an apocalyptic number.

105601220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105601220 is an abundant number, since it is smaller than the sum of its proper divisors (116408764).

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

105601220 is a wasteful number, since it uses less digits than its factorization.

105601220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899 (or 5897 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 105601220 is about 10276.2454233051. The cubic root of 105601220 is about 472.6681204227.

Adding to 105601220 its reverse (22106501), we get a palindrome (127707721).

The spelling of 105601220 in words is "one hundred five million, six hundred one thousand, two hundred twenty".