101404242 has 48 divisors (see below), whose sum is σ = 230256000. Its totient is φ = 32209632.

The previous prime is 101404241. The next prime is 101404267. The reversal of 101404242 is 242404101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101404241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40009 + ... + 42467.

It is an arithmetic number, because the mean of its divisors is an integer number (4797000).

Almost surely, 2^101404242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101404242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115128000).

101404242 is an abundant number, since it is smaller than the sum of its proper divisors (128851758).

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

101404242 is a wasteful number, since it uses less digits than its factorization.

101404242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 101404242 is about 10069.9673286461. The cubic root of 101404242 is about 466.3214302607.

Adding to 101404242 its reverse (242404101), we get a palindrome (343808343).

The spelling of 101404242 in words is "one hundred one million, four hundred four thousand, two hundred forty-two".