105042128 has 10 divisors (see below), whose sum is σ = 203519154. Its totient is φ = 52521056.

The previous prime is 105042103. The next prime is 105042137. The reversal of 105042128 is 821240501.

It can be written as a sum of positive squares in only one way, i.e., 70090384 + 34951744 = 8372^2 + 5912^2 .

It is a super-2 number, since 2×105042128² = 22067697309536768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282551 + ... + 3282582.

Almost surely, 2^105042128 is an apocalyptic number.

It is an amenable number.

105042128 is a deficient number, since it is larger than the sum of its proper divisors (98477026).

105042128 is an equidigital number, since it uses as much as digits as its factorization.

105042128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565141 (or 6565135 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 105042128 is about 10249.0061957245. The cubic root of 105042128 is about 471.8324838848.

Adding to 105042128 its reverse (821240501), we get a palindrome (926282629).

The spelling of 105042128 in words is "one hundred five million, forty-two thousand, one hundred twenty-eight".