101052561 has 8 divisors (see below), whose sum is σ = 135442944. Its totient is φ = 67015280.

The previous prime is 101052551. The next prime is 101052569. The reversal of 101052561 is 165250101.

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 101052561 - 2¹¹ = 101050513 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (101052569) 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, 87606 + ... + 88751.

It is an arithmetic number, because the mean of its divisors is an integer number (16930368).

Almost surely, 2^101052561 is an apocalyptic number.

It is an amenable number.

101052561 is a deficient number, since it is larger than the sum of its proper divisors (34390383).

101052561 is a wasteful number, since it uses less digits than its factorization.

101052561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176551.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 101052561 is about 10052.4902884808. The cubic root of 101052561 is about 465.7817212846.

The spelling of 101052561 in words is "one hundred one million, fifty-two thousand, five hundred sixty-one".