101026861 has 8 divisors (see below), whose sum is σ = 112308224. Its totient is φ = 90246960.

The previous prime is 101026847. The next prime is 101026873. The reversal of 101026861 is 168620101.

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 101026861 - 2¹³ = 101018669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101026811) 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, 124941 + ... + 125746.

It is an arithmetic number, because the mean of its divisors is an integer number (14038528).

Almost surely, 2^101026861 is an apocalyptic number.

It is an amenable number.

101026861 is a deficient number, since it is larger than the sum of its proper divisors (11281363).

101026861 is a wasteful number, since it uses less digits than its factorization.

101026861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250731.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 101026861 is about 10051.2119169780. The cubic root of 101026861 is about 465.7422315872.

Adding to 101026861 its reverse (168620101), we get a palindrome (269646962).

The spelling of 101026861 in words is "one hundred one million, twenty-six thousand, eight hundred sixty-one".