101943842 has 48 divisors (see below), whose sum is σ = 206494272. Its totient is φ = 36653760.

The previous prime is 101943827. The next prime is 101943869. The reversal of 101943842 is 248349101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101943799 and 101943808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24068 + ... + 27984.

It is an arithmetic number, because the mean of its divisors is an integer number (4301964).

Almost surely, 2^101943842 is an apocalyptic number.

101943842 is an abundant number, since it is smaller than the sum of its proper divisors (104550430).

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

101943842 is a wasteful number, since it uses less digits than its factorization.

101943842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 101943842 is about 10096.7243202932. The cubic root of 101943842 is about 467.1471091735.

The spelling of 101943842 in words is "one hundred one million, nine hundred forty-three thousand, eight hundred forty-two".