105430720 has 28 divisors (see below), whose sum is σ = 251057664. Its totient is φ = 42172160.

The previous prime is 105430709. The next prime is 105430733. The reversal of 105430720 is 27034501.

It is a super-2 number, since 2×105430720² = 22231273439436800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105430691 and 105430700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164416 + ... + 165055.

Almost surely, 2^105430720 is an apocalyptic number.

105430720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105430720 is an abundant number, since it is smaller than the sum of its proper divisors (145626944).

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

105430720 is an equidigital number, since it uses as much as digits as its factorization.

105430720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329488 (or 329478 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 105430720 is about 10267.9462406072. The cubic root of 105430720 is about 472.4135989755.

The spelling of 105430720 in words is "one hundred five million, four hundred thirty thousand, seven hundred twenty".