105990026 has 16 divisors (see below), whose sum is σ = 166123008. Its totient is φ = 50622000.

The previous prime is 105990013. The next prime is 105990067. The reversal of 105990026 is 620099501.

It is a super-2 number, since 2×105990026² = 22467771222961352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105989974 and 105990001.

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, 53351 + ... + 55301.

It is an arithmetic number, because the mean of its divisors is an integer number (10382688).

Almost surely, 2^105990026 is an apocalyptic number.

105990026 is a deficient number, since it is larger than the sum of its proper divisors (60132982).

105990026 is a wasteful number, since it uses less digits than its factorization.

105990026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 105990026 is about 10295.1457493325. The cubic root of 105990026 is about 473.2475048813.

The spelling of 105990026 in words is "one hundred five million, nine hundred ninety thousand, twenty-six".