101939942 has 16 divisors (see below), whose sum is σ = 164854032. Its totient is φ = 46997280.

The previous prime is 101939927. The next prime is 101939951. The reversal of 101939942 is 249939101.

It is a junction number, because it is equal to n+sod(n) for n = 101939896 and 101939905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32048 + ... + 35084.

It is an arithmetic number, because the mean of its divisors is an integer number (10303377).

Almost surely, 2^101939942 is an apocalyptic number.

101939942 is a deficient number, since it is larger than the sum of its proper divisors (62914090).

101939942 is a wasteful number, since it uses less digits than its factorization.

101939942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 101939942 is about 10096.5311865016. The cubic root of 101939942 is about 467.1411519820.

The spelling of 101939942 in words is "one hundred one million, nine hundred thirty-nine thousand, nine hundred forty-two".