105090061 has 8 divisors (see below), whose sum is σ = 106686360. Its totient is φ = 103505472.

The previous prime is 105090053. The next prime is 105090067. The reversal of 105090061 is 160090501.

It can be written as a sum of positive squares in 4 ways, for example, as 19527561 + 85562500 = 4419^2 + 9250^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105090061 - 2³ = 105090053 is a prime.

It is a super-2 number, since 2×105090061² = 22087841841967442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105090067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16071 + ... + 21643.

It is an arithmetic number, because the mean of its divisors is an integer number (13335795).

Almost surely, 2^105090061 is an apocalyptic number.

It is an amenable number.

105090061 is a deficient number, since it is larger than the sum of its proper divisors (1596299).

105090061 is a wasteful number, since it uses less digits than its factorization.

105090061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 105090061 is about 10251.3443508644. The cubic root of 105090061 is about 471.9042421011.

The spelling of 105090061 in words is "one hundred five million, ninety thousand, sixty-one".