101242 has 8 divisors (see below), whose sum is σ = 153216. Its totient is φ = 50172.

The previous prime is 101221. The next prime is 101267. The reversal of 101242 is 242101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333 + ... + 559.

It is an arithmetic number, because the mean of its divisors is an integer number (19152).

2¹⁰¹²⁴² is an apocalyptic number.

101242 is a deficient number, since it is larger than the sum of its proper divisors (51974).

101242 is a wasteful number, since it uses less digits than its factorization.

101242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 101242 is about 318.1854804984. The cubic root of 101242 is about 46.6072600083.

Adding to 101242 its reverse (242101), we get a palindrome (343343).

It can be divided in two parts, 101 and 242, that multiplied together give a palindrome (24442).

The spelling of 101242 in words is "one hundred one thousand, two hundred forty-two", and thus it is an iban number.