100942 has 8 divisors (see below), whose sum is σ = 155232. Its totient is φ = 49200.

The previous prime is 100937. The next prime is 100943. The reversal of 100942 is 249001.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534 + ... + 697.

It is an arithmetic number, because the mean of its divisors is an integer number (19404).

2¹⁰⁰⁹⁴² is an apocalyptic number.

100942 is a deficient number, since it is larger than the sum of its proper divisors (54290).

100942 is a wasteful number, since it uses less digits than its factorization.

100942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100942 is about 317.7137076048. The cubic root of 100942 is about 46.5611789635.

Adding to 100942 its reverse (249001), we get a palindrome (349943).

The spelling of 100942 in words is "one hundred thousand, nine hundred forty-two".