101786042 has 8 divisors (see below), whose sum is σ = 154161696. Its totient is φ = 50398812.

The previous prime is 101786039. The next prime is 101786057. The reversal of 101786042 is 240687101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101785996 and 101786014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246848 + ... + 247259.

It is an arithmetic number, because the mean of its divisors is an integer number (19270212).

Almost surely, 2^101786042 is an apocalyptic number.

101786042 is a deficient number, since it is larger than the sum of its proper divisors (52375654).

101786042 is a wasteful number, since it uses less digits than its factorization.

101786042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494212.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 101786042 is about 10088.9068783491. The cubic root of 101786042 is about 466.9059506419.

The spelling of 101786042 in words is "one hundred one million, seven hundred eighty-six thousand, forty-two".