100959641 has 4 divisors (see below), whose sum is σ = 101158500. Its totient is φ = 100760784.

The previous prime is 100959629. The next prime is 100959659. The reversal of 100959641 is 146959001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94090000 + 6869641 = 9700^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 100959641 - 2⁶ = 100959577 is a prime.

It is a super-2 number, since 2×100959641² = 20385698221697762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100959611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98666 + ... + 99683.

It is an arithmetic number, because the mean of its divisors is an integer number (25289625).

Almost surely, 2^100959641 is an apocalyptic number.

It is an amenable number.

100959641 is a deficient number, since it is larger than the sum of its proper divisors (198859).

100959641 is an equidigital number, since it uses as much as digits as its factorization.

100959641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198858.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 100959641 is about 10047.8674851931. The cubic root of 100959641 is about 465.6389120718.

The spelling of 100959641 in words is "one hundred million, nine hundred fifty-nine thousand, six hundred forty-one".