101217842 has 8 divisors (see below), whose sum is σ = 165629232. Its totient is φ = 46008100.

The previous prime is 101217841. The next prime is 101217869. The reversal of 101217842 is 248712101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (101217841) 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 3 ways as a sum of consecutive naturals, for example, 2300384 + ... + 2300427.

It is an arithmetic number, because the mean of its divisors is an integer number (20703654).

Almost surely, 2^101217842 is an apocalyptic number.

101217842 is a deficient number, since it is larger than the sum of its proper divisors (64411390).

101217842 is a wasteful number, since it uses less digits than its factorization.

101217842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600824.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 101217842 is about 10060.7078279811. The cubic root of 101217842 is about 466.0355262814.

Adding to 101217842 its reverse (248712101), we get a palindrome (349929943).

The spelling of 101217842 in words is "one hundred one million, two hundred seventeen thousand, eight hundred forty-two".