105740521 has 8 divisors (see below), whose sum is σ = 107257280. Its totient is φ = 104233392.

The previous prime is 105740507. The next prime is 105740543. The reversal of 105740521 is 125047501.

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 105740521 - 2⁵ = 105740489 is a prime.

It is a super-2 number, since 2×105740521² = 22362115562702882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105749521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21346 + ... + 25828.

It is an arithmetic number, because the mean of its divisors is an integer number (13407160).

Almost surely, 2^105740521 is an apocalyptic number.

It is an amenable number.

105740521 is a deficient number, since it is larger than the sum of its proper divisors (1516759).

105740521 is a wasteful number, since it uses less digits than its factorization.

105740521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 105740521 is about 10283.0210055217. The cubic root of 105740521 is about 472.8758649017.

The spelling of 105740521 in words is "one hundred five million, seven hundred forty thousand, five hundred twenty-one".