105421535 has 16 divisors (see below), whose sum is σ = 132338880. Its totient is φ = 80467200.

The previous prime is 105421531. The next prime is 105421553. The reversal of 105421535 is 535124501.

It is not a de Polignac number, because 105421535 - 2² = 105421531 is a prime.

It is a super-2 number, since 2×105421535² = 22227400083512450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105421531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57635 + ... + 59435.

It is an arithmetic number, because the mean of its divisors is an integer number (8271180).

Almost surely, 2^105421535 is an apocalyptic number.

105421535 is a deficient number, since it is larger than the sum of its proper divisors (26917345).

105421535 is a wasteful number, since it uses less digits than its factorization.

105421535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 105421535 is about 10267.4989651813. The cubic root of 105421535 is about 472.3998798719.

The spelling of 105421535 in words is "one hundred five million, four hundred twenty-one thousand, five hundred thirty-five".