101217630 has 16 divisors (see below), whose sum is σ = 242922384. Its totient is φ = 26991360.

The previous prime is 101217619. The next prime is 101217631. The reversal of 101217630 is 36712101.

It is a junction number, because it is equal to n+sod(n) for n = 101217597 and 101217606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101217631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686931 + ... + 1686990.

It is an arithmetic number, because the mean of its divisors is an integer number (15182649).

Almost surely, 2^101217630 is an apocalyptic number.

101217630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101217630 is an abundant number, since it is smaller than the sum of its proper divisors (141704754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101217630 is a wasteful number, since it uses less digits than its factorization.

101217630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373931.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 101217630 is about 10060.6972919376. The cubic root of 101217630 is about 466.0352009119.

Adding to 101217630 its reverse (36712101), we get a palindrome (137929731).

The spelling of 101217630 in words is "one hundred one million, two hundred seventeen thousand, six hundred thirty".