101130661 has 8 divisors (see below), whose sum is σ = 103269600. Its totient is φ = 99006000.

The previous prime is 101130643. The next prime is 101130683. The reversal of 101130661 is 166031101.

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 101130661 - 2²¹ = 99033509 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 (101130461) 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, 11395 + ... + 18223.

It is an arithmetic number, because the mean of its divisors is an integer number (12908700).

Almost surely, 2^101130661 is an apocalyptic number.

It is an amenable number.

101130661 is a deficient number, since it is larger than the sum of its proper divisors (2138939).

101130661 is an equidigital number, since it uses as much as digits as its factorization.

101130661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 101130661 is about 10056.3741477731. The cubic root of 101130661 is about 465.9016858669.

Adding to 101130661 its reverse (166031101), we get a palindrome (267161762).

The spelling of 101130661 in words is "one hundred one million, one hundred thirty thousand, six hundred sixty-one".